A kind of making method of commemorative diamond
A production method and diamond technology, applied to diamonds, measuring devices, instruments, etc., can solve problems such as low carbon purity and difficulty in meeting diamond production requirements, and achieve the effect of avoiding incomplete cremation
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Embodiment 1
[0074] figure 1 The method for making commemorative diamonds provided by Embodiment 1 of the present invention is shown, and the sample tissue is selected from all the ashes of adults, including the following steps:
[0075] a. Grinding the ashes to a particle size of 10 μm to obtain 505 g of powder;
[0076] b. Dissolve the powder in a mixed solution of 50% sulfuric acid solution, 30% nitric acid solution, and 38% hydrochloric acid solution. The volume ratio of sulfuric acid solution, nitric acid solution, and hydrochloric acid solution is 2:1:1. Rotate at 100rpm and react for 30min, then filter, wash the crude carbon with distilled water, and adjust the pH of the crude carbon to 6;
[0077] c. Put the crude carbon product in an inner series graphitization furnace and purify it at 1800°C for 1.2h;
[0078] d. At 1200°C and 1200MPa, place all the extracted carbon on the side close to the Ni-Mn-Co catalyst and the diamond seed crystal for cultivation.
[0079] After the cult...
Embodiment 2
[0082] image 3 The manufacturing method of the commemorative diamond provided by the embodiment of the present invention two is shown, the sample tissue is selected animal body skin for use, comprises the following steps:
[0083] a. Put the animal skin into the dryer, blow in nitrogen, discharge the residual air in the dryer, dry the boneless tissue at 200°C until its water content is 25%, and then crush it to the particle size 20 μm, get 500g of powder, mix the powder with labeled carbon, pour the powder into 95% dehydrated alcohol by weight, stir constantly, then filter out the powder, and then use an organic element analyzer to analyze the powder Elemental analysis, the analysis shows that the powder contains 0.09% metal ions;
[0084] b. Put the powder into the oven, isolate the air, and vent the residual air in the oven with nitrogen and hydrogen. The volume of hydrogen accounts for 8% of the total volume of the gas, and then heat the powder to 800°C. Carry out the ca...
Embodiment 3
[0094] Figure 8 The manufacturing method of the commemorative diamond provided by the third embodiment of the present invention is shown, and the sample tissue is selected from all the ashes of children, including the following steps:
[0095] a. Grinding the ashes to a particle size of 18 μm to obtain 350 g of powder;
[0096] b. Dissolve the powder in a 50% by weight phosphoric acid solution, then pour the resulting mixture into a blender, process it for 60 minutes at a speed of 100rpm, then pour out the mixture, and mix it with 5% by weight of sodium hydroxide The solution undergoes a neutralization reaction, adjusts the pH value to 6, filters, and then uses distilled water to wash and filter the solid matter, then put the solid matter in a constant temperature drying oven, and dry it at 130°C for 30 minutes to obtain a crude carbon product;
[0097] c. Put the crude carbon obtained in an Acheson furnace and purify at 2500°C for 1 hour;
[0098] Put the purified carbon c...
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Abstract
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