65 results about "Ammonium tartrate" patented technology

The invention provides a method for culturing Phlebopus portentosus fluid spawn. The method is characterized by comprising the following steps: culturing a strain culture medium and a fluid spawn culture medium by using potato, sucrose, agar, ammonium tartrate, MgSO4, KH2PO4 water and other raw materials, according to certain proportion; culturing an in-vitro part of Phlebopus portentosus entity to prepare strains; and carrying out fermentation culture by a fluid nutrient medium, according to a liquid culture method. In the method, the provided culture media are particularly applicable to preparation of the strains and fermentation culture of mycelium. With the method, the fermentation culture of the Phlebopus portentosus mycelium can be carried out quickly.

The invention discloses preparation methods of a compound fermenting microbial agent and a water-soluble fish protein amino acid fertilizer. The preparation methods include: 1) mixing facultative anaerobic bacillus, aerotolerant anaerobic lactobacillus and obligate anaerobic Bifidobacterium to form the compound fermenting microbial agent; 2) mixing corn starch, ammonium tartrate, disodium hydrogenphosphate, glucose, the compound fermenting microbial agent and water, stirring evenly, and activating the compound fermenting microbial agent; 3) smashing fish, shellfish, aquatic product processingleftovers into homogenate, removing impurities, quantitatively adding the homogenate into a fermentation tank, adding the activated compound fermenting microbial agent, which accounts for 0.2-5wt% ofthe homogenate, into the fermentation tank, mixing the activated compound fermenting microbial agent and the homogenate evenly, sealing the fermentation tank, and standing at normal temperature for 10-15 days to obtain fermented mash; 4) filtering the fermented mash with a filter to obtain fermented liquid which is fish protein amino acid fermented liquid; 5) adding at least one of following microelements including copper, iron, manganese, zinc, boron and molybdenum to prepare the required water-soluble fish protein amino acid fertilizer.

The invention discloses a preparation method of a super-purity aluminum oxide, characterized by comprising the specific process steps as follows: (1) dissolving an industrial aluminum sulfate, stirring and heating to 60-95 DEG C, cooling concentrated solution, filtering, crystallizing and drying, removing impurity from filtrate, and recycling; (2) dissolving industrial senior ammonium sulfate in deionized water, and filtering to obtain clarified filtrate; (3) dissolving the dried crystallized aluminum sulfate solution, adding the ammonium sulfate while stirring continuously, then adding ammonium tartrate, heating the solution, filtering when the solution is hot and the crystal is to be separated out, concentrating the filtrate, cooling and crystallizing, recrystallizing for twice, and recycling the mother solution for reuse; (4) adding the deionized water to dissolve the recrystallized aluminum ammonium sulfate, filtering, adding hydrochloric acid until aluminum trichloride is completely separated out; crystallizing and drying, using the hydrochloric acid to wash the surface of the crystal; and (5) placing the high-purity AlCl3 in a muffle furnace to burn for 3-6 hours at 550-800 DEG C, crushing, grinding, and sieving to obtain the high-purity aluminum oxide powder.

The invention relates to a production method for converting sodium tartrate into tartaric acid, in particular to a production method for converting sodium tartrate into tartaric acid by using a continuous fluid advanced separating technique. The method comprises the following steps: a continuous fluid separator is used, 20 separating units are arranged in the separator, and strong-acid cation resin is filled in each separating unit; and the 20 separating units are divided into six regions comprising a product converting region, a converting washing region, a cross regenerating region, a regenerating region, a regenerating washing region and a material top water region. By replacing the steps of calcium precipitation, sulfuric acid dissolving and transition, anion-cation exchange columns and the like in the traditional production method, the method reduces the production cost, simplifies the production method, shortens the production period, increases the total yield and enhances the efficiency and the benefit in the production of the tartaric acid.

The invention relates to a method for preparing a lobate ferroferric oxide aerogel particle, which comprises the following concrete steps of: dispersing precursor Fe(OH)2 and Fe(OH)3 of a Fe3O4 crystal into a solution; dispersing the mixing solution into an ammonium tartrate ethanol solution for ageing for more than 1h at 20-90 DEG C; and preparing the lobate porous ferroferric oxide aerogel particle assembled by Fe3O4 nano pieces by adopting a supercritical drying method. The invention prepares the lobate ferroferric oxide aerogel particle by adopting a soft template method and utilizing a supercritical drying technology, has easy operation of the preparation process, and does not need the steps of impurity removal, and the like, and the prepared particle has the advantages of large specific surface area, crystal appearance, integral structure, high impurity, stable magnetic property, and the like; and the system has favorable application prospect in the fields of microwave absorption, high-energy batteries, targeted medicine materials, sensitive devices, catalysts, and the like.

The invention relates to the field of fungus preservation, and specifically relates to a composite protective agent for preserving a Boletus aereus strain for long and a preservation method thereof. The composite protective agent for preserving the Boletus aereus strain for long comprises ingredients as follows: counting by water volume, 100-400g / L of cane sugar, 1.0-2.0g / L of monopotassium phosphate; 1.0-2.0g / L of magnesium sulfate; and 1.0-2.0g / L of ammonium tartrate. The preservation method comprises the steps as follows: soaking the Boletus aereus strain into the composite protective agent, pre-cooling for 30min to 60min in the condition at 110 degrees centigrade below zero to 130 degrees centigrade below zero, and then dipping into a liquid nitrogen or a gas nitrogen for preservation. Using the composite protective agent for the preservation, each ingredient cooperates with each other so as to prevent the Boletus aereus strain from being damaged in the ultralow temperature condition; the specific preservation method makes the preservation time longer, and makes the hereditary stability better; the preservation method is characterized in that the yield does not have an obvious difference from the yield before the preservation, and the like; the composite protective agent for preserving the Boletus aereus strain for long and the preservation method thereof have an excellent application prospect, and synchronously provide a reliable guarantee for an industrial large-scale cultivation of the Boletus aereus strain.

A post-dry etching cleaning liquid composition for cleaning a substrate after dry etching is provided, the cleaning liquid composition containing at least one type of fluorine compound, glyoxylic acid, at least one type of organic acid salt, and water. With regard to the fluorine compound, ammonium fluoride may be used. With regard to the organic acid salt, at least one of ammonium oxalate, ammonium tartarate, ammonium citrate, and ammonium acetate may be used.

The present invention relates generally to the field of microorganism cell culture. It devises a cell culture medium for and a method of culturing microorganisms of the order Thraustochytriales, especially for the production of omega-3-fatty acids. Furthermore it devises the use of ammonium tartrate as nitrogen source for the cultivation of microorganisms of the order Thraustochytriales.

The invention provides a culture medium for promoting the growth of morchella mycelia. For the culture medium, maltose is adopted as an optimal carbon source for culturing the morchella mycelia, ammonium tartrate is adopted as an optimal nitrogen source for culturing the morchella mycelia, high-purity chemical reagents with accurate ingredients are selected for preparation, so that the ingredients of the culture medium are accurate, and the quality control of the strains is facilitated. According to the nutrition ingredients required by the growth of the morchella mycelia, optimization is conducted, so that the growth speed of the morchella mycelia is accelerated, after inoculation is carried out for 7-9 days, the morchella mycelia grow on the whole inclined plane, the growth speed of the mycelia is improved by about 20% compared with the growth speed of the mycelia adopting a PDA culture medium, and the growth time of the morchella mycelia is shortened, in addition, the culture medium disclosed by the invention is simple in formula, wide in raw material source and low in cost, the production cost of the morchella can be reduced, and reliable technical support is provided for subsequent application of the morchella.

The invention relates to a method for preparing a lobate ferroferric oxide aerogel particle, which comprises the following concrete steps of: dispersing precursor Fe(OH)2 and Fe(OH)3 of a Fe3O4 crystal into a solution; dispersing the mixing solution into an ammonium tartrate ethanol solution for ageing for more than 1h at 20-90 DEG C; and preparing the lobate porous ferroferric oxide aerogel particle assembled by Fe3O4 nano pieces by adopting a supercritical drying method. The invention prepares the lobate ferroferric oxide aerogel particle by adopting a soft template method and utilizing a supercritical drying technology, has easy operation of the preparation process, and does not need the steps of impurity removal, and the like, and the prepared particle has the advantages of large specific surface area, crystal appearance, integral structure, high impurity, stable magnetic property, and the like; and the system has favorable application prospect in the fields of microwave absorption, high-energy batteries, targeted medicine materials, sensitive devices, catalysts, and the like.

The invention provides a method for producing laccase by virtue of fermentation, comprising the following steps: preparing a fungus secretion laccase culture medium, generating enzyme and fermenting, wherein per 100mL of the fungus secretion laccase culture medium comprises 1-4g of glucose, 1-2.5g of ammonium tartrate, 0.05-0.25mmol / L of ABTS, 10.6mg / L of VB, macroelements and trace elements, and the balance of water; and adjusting the initial pH value to be 5.0-6.0 by utilizing NaOH or HCl. Along with the unceasing development of research, the laccase permeate can be applied to the fields of industry, agriculture and medical treatment and the like, however, the reports in the aspects of large-scale industrial production of the laccase and exploration of the proper fermentation condition and the like are less, which is still the hot spot in the future research. By the method provided by the invention, the process condition for producing the laccase by virtue of fermentation is established, and the output and quality of the laccase can be improved; and the method lays a foundation for realizing the industrial production of the laccase.