34results about How to "Neat color" patented technology

The invention discloses a silkworm pupa-worm grass culture method capable of improving yield and quality. The method is characterized by comprising the steps including preparation of liquid spawn, pupa sterilization, inoculation, cultivation in dark, wound treatment of pupas, cultivation in light, harvest and the like. Compared with the conventional culture method, the silkworm pupa-worm grass culture method disclosed by the invention is short in grass germination time, great in fruit body number, vigorous in growth and short in growth period, so that not only can the yield of the worm grass be increased, but also the growth period can be greatly shortened, and thus the economic benefits are greatly increased.

The invention provides a processing and making method of lotus leaf tea. The method comprises the following nine steps: picking, leaf peeling, green leaf spreading, fixation, air drying, twisting, sieving, flavour extracting and dehydration. The method has the beneficial effects that fresh and tender lotus leaves are picked in proper season and then leaf stalks and coarse veins are peeled, so that pureness of the lotus leaf tea can be maintained; the water steam of the leaf stalks and the coarse veins is adopted for steam fixation, so that the pureness of the aroma of the lotus leaf tea can be further ensured; fixation and air drying are carried out on a conveyor belt, so that the leaf shapes can be maintained and trabes formed by the leaf shapes are uniform; the tea is twisted while the tea is hot, so that the tea can be better shaped and the astringent tastes in lotus leaves are removed, and the astringent tastes can be further covered up after flavour extracting; therefore, the produced lotus leaf tea has orderly appearance, bright green color and pure and thick aroma; the tea soup has dark green and transparent color, tastes fresh, tender and mellow and smells elegant and aromatic; the quality of the lotus leaf tea product is greatly improved.

The invention discloses a preparation method of passiflora edulis fruit sauce. The preparation method comprises following steps: 1, passiflora edulis fruits are selected and washed; 2, peeling is carried out, wherein the epicarp of passiflora edulis fruits is removed via a mechanical method; 3, seeds are removed, wherein fruit peel and fruit pulp juice are collected respectively, and seeds in the fruit pulp juice are removed; 4, pulping is carried out, wherein the fruit pulp juice and fruit peel are subjected to pulping so as to obtain fruit pulp; 5, flavoring is carried out, wherein a sweetening agent and / or salt is added into the fruit pulp, and pH value of the fruit pulp is controlled to be 2.0 to 4.0 at the same time; 6, reduced pressure boiling and concentration are carried out, wherein boiling is carried out for 0.5 to 30min at 40 to 100 DEG C under a pressure less than one atmosphere so as to obtain the passiflora edulis fruit sauce. According to the preparation method, the hard passiflora edulis fruit epicarp which is acerb in taste and rough in mouthfeel is removed, the passiflora edulis fruit sauce is prepared from the mesocarp, the endocarp, and pulp which are abundant in nutrients, so that the obtained passiflora edulis fruit sauce is sweet, sour, and delicious, and is abundant in nutrients.

The invention discloses a shallow bright red crystal bead embryo and its preparation method, the shallow bright red crystal bead embryo is composed of the following components by weight: 120-230 parts of quartz sand, 15-40 parts of zinc oxide, 30-90 parts of sodium carbonate, 15-45 parts of potassium carbonate, 10-30 parts of boric acid, 2-12 parts of calcium carbonate, 0.5-4 parts of aluminum hydroxide, 1-5 parts of salt, 3-3.5 parts of cadmium yellow, 0.5-3 parts of selenium powder and 0.5-8 parts of cadmium red. The good coloring property can be obtained by maintaining redox equilibrium of copper ions in the melting process stable during preparation of the shallow bright red crystal bead embryo, lead-containing materials are not used, and the shallow bright red crystal bead embryo has the advantages of good glossiness, bright and neat color, no color difference, no pattern, high yield, no lead, no pollution, and good production benefit.

The invention discloses a smoke yellow crystal bead blank and a preparation method thereof. The smoke yellow crystal bead blank is prepared from the following components in parts by weight: 90-165 parts of quartz sands, 11-19 parts of zinc oxide, 28-53 parts of sodium carbonate, 15-30 parts of potassium carbonate, 5-17 parts of boric acid, 3-5 parts of calcium carbonate,0.8-3.2 parts of aluminum hydroxide, 1-2 parts of table salt, 2-5 parts of antimonous oxide, 0.1-2 parts of potassium nitrate, 0.01-0.15 part of sodium selenite, 0.001-0.003 part of ferrous sulfide, 0.1-0.8 part of samarium oxide and 0.9-2.2 parts of nickel oxide. When the smoke yellow crystal bead blank is prepared, a lot of cerous compounds are not used, colors of selenium and compounds of selenium are fixed in secondary finishing, and the bead blank is adjusted to smoke yellow by virtue of compounds of samarium and nickel. Lead-containing raw materials are not used, and the bead blank has the advantages of good glossiness, bright color, orderliness, no chromatic aberration and patterns, high yield, no lead and pollution, and good production benefit.

The invention discloses a purple red crystal bead embryo and a preparation method thereof. The purple red crystal bead embryo consists of the following components in parts by weight: 80-160 parts of quartz sand, 7-15.5 parts of zinc oxide, 27-51 parts of soda, 16-30 parts of potassium carbonate, 7-16 parts of boric acid, 2.5-5.5 parts of calcium carbonate, 0.8-3.5 parts of aluminum hydroxide, 1-2 parts of table salt, 1.5-3.5 parts of antimony trioxide, 12-27 parts of potassium nitrate, 0.01-0.035 part of gold chloride, 1-5 parts of cerium oxide and 0.001-0.002 part of potassium permanganate. During preparation of the purple red crystal bead embryo, potassium permanganate is adopted to adjust the absorption wavelength of gold colored glass, so that the crystal bead embryo is in a bright purple red color; zinc oxide is used as a gold colored protecting adhesive, and cerium oxide is used for adjusting an oxidation reduction atmosphere to ensure that the process is more stable; and a leadless raw material is adopted, so that the purple red crystal bead embryo has the advantages of being good in glossiness and bright and neat in color, not having color differences or decorative patterns, being high in yield, being leadless and pollution-free and having good production benefits.

The invention discloses a pink crystal bead embryo and a preparation method of the pink crystal bead embryo. The pink crystal bead embryo is prepared from the following components in parts by weight: 95-165 parts of quartz sand, 9-17 parts of zinc oxide, 26-48 parts of pure alkali, 18-30 parts of potassium carbonate, 8-15 parts of boric acid, 2.5-5.5 parts of calcium carbonate, 1-3 parts of aluminum hydroxide, 1-2 parts of salts, 15-27 parts of potassium nitrate, 0.008-0.015 part of gold chloride, 0.001-0.003 part of silver nitrate, 1.5-3.5 parts of antimonous oxide and 1-5 parts of cerium oxide. A compound of expensive rare earth erbium is not used during preparation of the pink crystal bead embryo, so that the production cost is greatly reduced; the adsorption wavelength of golden glass is adjusted by using the silver nitrate, beautiful pink cover is displayed, and zinc oxide is used as a protective colloid; because lead raw materials are not used, the pink crystal bead embryo has the advantages of high lustrousness, bright color, orderliness, high yield and good production benefit, and is free of color difference, flower patterns, lead and pollution.

The invention discloses light-peach crystal bead blanks and a preparation method of the light-peach crystal bead blanks. The light-peach crystal bead blanks comprise, by weight, 90-160 parts of quartz sand, 9-17 parts of zinc oxide, 27-51 parts of calcined soda, 16-30 parts of potassium carbonate, 6.5-17 parts of boric acid, 3-5 parts of calcium carbonate, 0.8-3.2 parts of aluminum hydroxide, 1-2 parts of table salt, 2-5 parts of antimonous oxide, 0.1-2 parts of potassium nitrate, 0.02-0.2 part of sodium selenite and 0.01-0.03 part of ferrous sulfide. When the light-peach crystal bead blanks are prepared, it is unnecessary to consume a large amount of rare-earth erbium compounds, stable coloring is achieved through a small amount of selenium compounds, and the problem of color changing in heat treatment of selenium-colored glass is solved. By the adoption of the lead-free raw materials, the light-peach crystal bead blanks have the advantages of being good in glossiness, bright in color, neat, free of color difference and patterns, high in yield, free of pollution because lead is not adopted, and good in production benefit.

The present invention discloses a dark red color crystal pearl blank and a preparation method thereof. The dark red color crystal pearl blank comprises, by weight, 80-190 parts of quartz sand, 10-30 parts of zinc oxide, 20-75 parts of soda ash, 10-35 parts of potassium carbonate, 7-23 parts of boric acid, 2-8 parts of calcium carbonate, 0.5-3 parts of aluminum hydroxide, 1-4 parts of gravy salt, 0.3-3 parts of cadmium yellow, 0.5-2.5 parts of selenium powder, and 0.5-6 parts of cadmium red. According to the present invention, during dark red color crystal pearl blank preparing, oxidation reduction balance of copper ions during a melting process maintains a stable state so as to obtain good colorability; and the lead-containing raw material is not used, and advantages of good gloss, bright and uniform color, no color difference, no pattern, high yield, no lead, no pollution and good production benefit are provided.

The invention discloses a transparent black crystal bead embryo and a preparation method thereof. The transparent black crystal bead embryo is prepared from the following components in parts by weight: 85-160 parts of quartz sand, 9-17 parts of zinc oxide, 28-51 parts of sodium carbonate, 16-30 parts of potassium carbonate, 6-15 parts of boric acid, 3-5 parts of calcium carbonate, 0.7-3.1 parts of aluminum hydroxide, 1-2 parts of salt, 2-5 parts of antimonous oxide, 0.1-1.9 parts of potassium nitrate, 0.01-0.12 part of sodium selenite, 0.001-0.003 part of ferrous sulfide, 0.1-0.9 part of didymium oxide and 1.2-2.8 nickel oxide. A lot of cerium compound is not adopted when the transparent black crystal bead embryo is prepared; coloring of selenium and compounds thereof is fixed in secondary shaping; the crystal bead embryo is adjusted to be transparent black by virtue of praseodymium neodymium and nickel compounds; and a raw material containing lead is not adopted, so that the transparent black crystal bead embryo has the advantages of being good in glossiness, vivid and regular in color, free of aberration, free of figures, high in yield, free of lead, free of pollution, and good in production benefits.

The invention discloses a golden yellow crystal bead embryo and a preparation method of the golden yellow crystal bead embryo. The golden yellow crystal bead embryo is prepared from the following components in parts by weight: 150-220 parts of quartz sands, 75-95 parts of pure alkali, 21-32 parts of potassium carbonate, 1-3 parts of boric acid, 2-5 parts of aluminum hydroxide, 1-3.5 parts of salts, 0.3-0.6 part of flour, 0.15-0.3 part of sulphur and 0.001-0.003 part of ferric sulfide. When the golden yellow crystal bead embryo is prepared, redox equilibrium of copper ions in a melting process is kept stable, so that a good dyeing property is realized; by using lead-free raw materials, the golden yellow crystal bead embryo is high in glossiness, bright in colors, order, high in yield and free of lead, and color difference, flower patterns and pollution are avoided; moreover, the production cost is greatly reduced, and a good production benefit is achieved.

The invention discloses lotus purple colored raw crystal beads and a preparation method thereof. The lotus purple colored raw crystal beads are prepared from, by weight, 80-150 parts of quartz sand, 80-180 parts of fire polishing powder, 50-150 parts of sodium carbonate, 20-80 parts of potassium carbonate, 80-200 parts of cullet, 7-40 parts of calcium carbonate, 1-12 parts of sodium chloride, 10-50 parts of borax decahydrate, 8-48 parts of potassium nitrate, 2-15 parts of magnesium carbonate, 0.5-3 parts of lithium carbonate, 0.05-12 parts of nickel protoxide and 0.001-5 parts of cobalt oxide. The cobalt oxide and the nickel protoxide are used as coloring agents for preparation of the lotus purple colored raw crystal beads, so that high coloring performance can be achieved. In addition, the lotus purple colored raw crystal beads free of adoption of lead containing materials have advantages of bright color, uniformity, freeness of color difference, lines, lead and dust pollution, high yield, high production benefit and availability for batch production.

The invention discloses a rosy crystal bead embryo and a preparation method thereof. The rosy crystal bead embryo comprises the following components in parts by weight: 90-160 parts of quartz sand, 8-16 parts of zinc oxide, 28-50 parts of sodium carbonate, 17-29 parts of potassium carbonate, 13-26 parts of potassium nitrate, 8-15 parts of boric acid, 3-5 parts of calcium carbonate, 1-3 parts of aluminum hydroxide, 1-2 parts of table salt, 0.01-0.03 part of gold chloride, 1.5-3.5 parts of antimonous oxide and 1-5 parts of cerium oxide. When the rosy crystal bead embryo is prepared, zinc oxide serves as a gold coloring protecting adhesive, the redox atmosphere is adjusted by virtue of cerium oxide, and existing lead glass is subjected to gold rosiness-coloring process; lead-containing raw materials are not utilized; the rosy crystal bead embryo has the advantages that the glossiness is good, colors are bright and neat, the chromatic aberration, the pattern, the lead and the pollution are avoided, the yield is high, and the dyeing property and the production benefit are good.

The invention discloses a rosy crystal bead embryo and a preparation method thereof. The rosy crystal bead embryo comprises the following components in parts by weight: 90-160 parts of quartz sand, 8-16 parts of zinc oxide, 28-50 parts of sodium carbonate, 17-29 parts of potassium carbonate, 13-26 parts of potassium nitrate, 8-15 parts of boric acid, 3-5 parts of calcium carbonate, 1-3 parts of aluminum hydroxide, 1-2 parts of table salt, 0.01-0.03 part of gold chloride, 1.5-3.5 parts of antimonous oxide and 1-5 parts of cerium oxide. When the rosy crystal bead embryo is prepared, zinc oxide serves as a gold coloring protecting adhesive, the redox atmosphere is adjusted by virtue of cerium oxide, and existing lead glass is subjected to gold rosiness-coloring process; lead-containing raw materials are not utilized; the rosy crystal bead embryo has the advantages that the glossiness is good, colors are bright and neat, the chromatic aberration, the pattern, the lead and the pollution are avoided, the yield is high, and the dyeing property and the production benefit are good.

The invention discloses a lake blue-color crystal bead blank. The lake blue-color crystal bead blank is prepared from 50-150 parts by weight of fire polishing powder, 60-170 parts by weight of quartz sand, 50-170 parts by weight of sodium carbonate, 60-150 parts by weight of broken glass, 1.3-10 parts by weight of sodium chloride, 10-25 parts by weight of sodium nitrate, 5-15 parts by weight of calcium carbonate, 2-12 parts by weight of caustic soda flake, 1-7 parts by weight of sodium chlorate, 5-16 parts by weight of borax decahydrate, 0.9-4 parts by weight of copper oxide and 0.01-3 parts by weight of chromium oxide green. The lake blue-color crystal bead blank has good stainability, stable quality and high production benefits, is suitable for mass production and does not cause environmental pollution.

The present invention discloses a bright red color crystal pearl blank and a preparation method thereof. The bright red color crystal pearl blank comprises, by weight, 100-150 parts of quartz sand, 12-18 parts of zinc oxide, 29-54 parts of soda ash, 18-27 parts of potassium carbonate, 12-18 parts of boric acid, 3-5 parts of calcium carbonate, 1-2 parts of aluminum hydroxide, 1-2 parts of gravy salt, 0.2-2.5 parts of cadmium yellow, 0.6-1.8 parts of selenium powder, and 1-5 parts of cadmium red. According to the present invention, during bright red color crystal pearl blank preparing, oxidation reduction balance of copper ions during a melting process maintains a stable state so as to obtain good colorability; and the lead-containing raw material is not used, and advantages of good gloss, bright and uniform color, no color difference, no pattern, high yield, no lead, no pollution and good production benefit are provided.

The invention discloses a capri blue crystal bead rough and a preparation method thereof. The capri blue crystal bead rough comprises the following components in parts by weight: 100-250 parts of quartz sand, 100-250 parts of fire-blasting powder, 80-240 parts of sodium carbonate, 80-300 parts of cullet, 30-80 parts of sodium nitrate, 10-50 parts of borax decahydrate, 10-45 parts of calcium carbonate, 1-15 parts of salt, 10-40 parts of potassium nitrate, 0.1-1.5 part of cobalt oxide and 0.1-3 parts of copper oxide. The cobalt oxide and copper oxide are adopted as coloring agents in the preparation process of the crystal bead rough, copper ions can better promote the reaction of raw materials, so that good coloring performance is obtained. The lead-containing raw materials are not adopted, so that the capri blue crystal bead rough is good in glossiness, bright in color, neat, colorless, free of spots, high in yield, free of lead and dust pollution, good in production benefit and capable of being produced in batches.

The invention discloses a light yellow crystal bead blank. The light yellow crystal bead blank is prepared from 100-200 parts by weight of fire polishing powder, 80-150 parts by weight of quartz sand, 100-250 parts by weight of sodium carbonate, 60-170 parts by weight of cullet, 1-11 parts by weight of sodium chloride, 22-75 parts by weight of sodium nitrate, 10-50 parts by weight of calcium carbonate, 4-35 parts by weight of caustic soda flake, 1-27 parts by weight of sodium chlorate, 10-40 parts by weight of borax decahydrate, 1-10 parts by weight of cerium oxide, 3-40 parts by weight of high titanium slag and 2-13 parts by weight of ilmenite concentrate. The light yellow crystal bead blank has good stainability, stable quality and high production benefits, is suitable for mass production and does not cause environmental pollution.

The invention discloses a transparent black crystal bead embryo and a preparation method thereof. The transparent black crystal bead embryo is prepared from the following components in parts by weight: 85-160 parts of quartz sand, 9-17 parts of zinc oxide, 28-51 parts of sodium carbonate, 16-30 parts of potassium carbonate, 6-15 parts of boric acid, 3-5 parts of calcium carbonate, 0.7-3.1 parts of aluminum hydroxide, 1-2 parts of salt, 2-5 parts of antimonous oxide, 0.1-1.9 parts of potassium nitrate, 0.01-0.12 part of sodium selenite, 0.001-0.003 part of ferrous sulfide, 0.1-0.9 part of didymium oxide and 1.2-2.8 nickel oxide. A lot of cerium compound is not adopted when the transparent black crystal bead embryo is prepared; coloring of selenium and compounds thereof is fixed in secondary shaping; the crystal bead embryo is adjusted to be transparent black by virtue of praseodymium neodymium and nickel compounds; and a raw material containing lead is not adopted, so that the transparent black crystal bead embryo has the advantages of being good in glossiness, vivid and regular in color, free of aberration, free of figures, high in yield, free of lead, free of pollution, and good in production benefits.

The present invention discloses a dark red color crystal pearl blank and a preparation method thereof. The dark red color crystal pearl blank comprises, by weight, 80-190 parts of quartz sand, 10-30 parts of zinc oxide, 20-75 parts of soda ash, 10-35 parts of potassium carbonate, 7-23 parts of boric acid, 2-8 parts of calcium carbonate, 0.5-3 parts of aluminum hydroxide, 1-4 parts of gravy salt, 0.3-3 parts of cadmium yellow, 0.5-2.5 parts of selenium powder, and 0.5-6 parts of cadmium red. According to the present invention, during dark red color crystal pearl blank preparing, oxidation reduction balance of copper ions during a melting process maintains a stable state so as to obtain good colorability; and the lead-containing raw material is not used, and advantages of good gloss, bright and uniform color, no color difference, no pattern, high yield, no lead, no pollution and good production benefit are provided.

The invention discloses a pink crystal bead embryo and a preparation method of the pink crystal bead embryo. The pink crystal bead embryo is prepared from the following components in parts by weight: 95-165 parts of quartz sand, 9-17 parts of zinc oxide, 26-48 parts of pure alkali, 18-30 parts of potassium carbonate, 8-15 parts of boric acid, 2.5-5.5 parts of calcium carbonate, 1-3 parts of aluminum hydroxide, 1-2 parts of salts, 15-27 parts of potassium nitrate, 0.008-0.015 part of gold chloride, 0.001-0.003 part of silver nitrate, 1.5-3.5 parts of antimonous oxide and 1-5 parts of cerium oxide. A compound of expensive rare earth erbium is not used during preparation of the pink crystal bead embryo, so that the production cost is greatly reduced; the adsorption wavelength of golden glass is adjusted by using the silver nitrate, beautiful pink cover is displayed, and zinc oxide is used as a protective colloid; because lead raw materials are not used, the pink crystal bead embryo has the advantages of high lustrousness, bright color, orderliness, high yield and good production benefit, and is free of color difference, flower patterns, lead and pollution.

The invention discloses a shallow bright red crystal bead embryo and its preparation method, the shallow bright red crystal bead embryo is composed of the following components by weight: 120-230 parts of quartz sand, 15-40 parts of zinc oxide, 30-90 parts of sodium carbonate, 15-45 parts of potassium carbonate, 10-30 parts of boric acid, 2-12 parts of calcium carbonate, 0.5-4 parts of aluminum hydroxide, 1-5 parts of salt, 3-3.5 parts of cadmium yellow, 0.5-3 parts of selenium powder and 0.5-8 parts of cadmium red. The good coloring property can be obtained by maintaining redox equilibrium of copper ions in the melting process stable during preparation of the shallow bright red crystal bead embryo, lead-containing materials are not used, and the shallow bright red crystal bead embryo has the advantages of good glossiness, bright and neat color, no color difference, no pattern, high yield, no lead, no pollution, and good production benefit.

The invention discloses a light yellow crystal bead blank. The light yellow crystal bead blank is prepared from 100-200 parts by weight of fire polishing powder, 80-150 parts by weight of quartz sand, 100-250 parts by weight of sodium carbonate, 60-170 parts by weight of cullet, 1-11 parts by weight of sodium chloride, 22-75 parts by weight of sodium nitrate, 10-50 parts by weight of calcium carbonate, 4-35 parts by weight of caustic soda flake, 1-27 parts by weight of sodium chlorate, 10-40 parts by weight of borax decahydrate, 1-10 parts by weight of cerium oxide, 3-40 parts by weight of high titanium slag and 2-13 parts by weight of ilmenite concentrate. The light yellow crystal bead blank has good stainability, stable quality and high production benefits, is suitable for mass production and does not cause environmental pollution.

The invention relates to a trace element water-soluble pesticide-fertilizer for anti-season fruit green radish and a preparation method of the trace element water-soluble pesticide-fertilizer. The trace element water-soluble pesticide-fertilizer is a high-concentration clear-liquid water-soluble pesticide-fertilizer prepared by mixing a trace element water-soluble fertilizer with a biological pesticide and comprises the following effective ingredients in parts by weight: 11 parts of zinc sulphate monohydrate, 12.3 parts of EDTA iron chelate, 12.3 parts of EDTA manganese chelate, 4.2 parts of boric acid, 2.9 parts of sorbitol, 1.5 parts of mannite, 1.5 parts of ethanol amine, 1.5 parts of glycerinum, 5.26 parts of superfine sulfur powder, 1.21 parts of allicin, 0.18 part of dry datura stramonium linn powder, 3.68 parts of plantain herb, 1.53 parts of pepper and 100 parts of softened water. The trace element water-soluble pesticide-fertilizer effectively promotes the expansion of fleshy root of radish and inhibits pest and disease damage, the effective rate of prevention and treatment for soft rot achieves 100 percent, and no pesticide residue exists.

The invention discloses a smoke yellow crystal bead blank and a preparation method thereof. The smoke yellow crystal bead blank is prepared from the following components in parts by weight: 90-165 parts of quartz sands, 11-19 parts of zinc oxide, 28-53 parts of sodium carbonate, 15-30 parts of potassium carbonate, 5-17 parts of boric acid, 3-5 parts of calcium carbonate,0.8-3.2 parts of aluminum hydroxide, 1-2 parts of table salt, 2-5 parts of antimonous oxide, 0.1-2 parts of potassium nitrate, 0.01-0.15 part of sodium selenite, 0.001-0.003 part of ferrous sulfide, 0.1-0.8 part of samarium oxide and 0.9-2.2 parts of nickel oxide. When the smoke yellow crystal bead blank is prepared, a lot of cerous compounds are not used, colors of selenium and compounds of selenium are fixed in secondary finishing, and the bead blank is adjusted to smoke yellow by virtue of compounds of samarium and nickel. Lead-containing raw materials are not used, and the bead blank has the advantages of good glossiness, bright color, orderliness, no chromatic aberration and patterns, high yield, no lead and pollution, and good production benefit.

The invention discloses a golden yellow crystal bead embryo and a preparation method of the golden yellow crystal bead embryo. The golden yellow crystal bead embryo is prepared from the following components in parts by weight: 150-220 parts of quartz sands, 75-95 parts of pure alkali, 21-32 parts of potassium carbonate, 1-3 parts of boric acid, 2-5 parts of aluminum hydroxide, 1-3.5 parts of salts, 0.3-0.6 part of flour, 0.15-0.3 part of sulphur and 0.001-0.003 part of ferric sulfide. When the golden yellow crystal bead embryo is prepared, redox equilibrium of copper ions in a melting process is kept stable, so that a good dyeing property is realized; by using lead-free raw materials, the golden yellow crystal bead embryo is high in glossiness, bright in colors, order, high in yield and free of lead, and color difference, flower patterns and pollution are avoided; moreover, the production cost is greatly reduced, and a good production benefit is achieved.

The invention discloses a tawny crystal bead blank and a preparation method thereof. The tawny crystal bead blank is composed of the following components in parts by weight: 95-165 parts of quartz sand, 10-18 parts of zinc oxide, 28-52 parts of sodium carbonate, 15-31 parts of potassium carbonate, 6-16 parts of boric acid, 3-5 parts of calcium carbonate, 0.8-3.2 parts of aluminum hydroxide, 1-2 parts of salt, 2-5 parts of antimony trioxide, 0.1-2 parts of potassium nitrate, 0.01-0.18 part of sodium selenite, 0.001-0.003 part of ferrous sulfide and 0.1-0.9 part of neodymium oxide. In the tawny crystal bead blank preparation process, no abundant rare-earth cerium compound is adopted for coloring the immobilized selenium and compounds thereof in the secondary reshaping. The tawny crystal bead blank is free of any leady raw material, and has the advantages of favorable glossiness, bright color, high regularity, no color difference, no grains, high yield, no lead or pollution and favorable production benefit.