Shanghai Boyao Biotechnology Co., Ltd. (Shanghai Boyao Trading Company)

Cell, ELISA kit, antibody, biological reagent, culture medium, liquid chromatography column

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P06483% NaC1 ornithine decarboxylase fermentation tube

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  • Shanghai Boyao Biotechnology Co., Ltd. (Shanghai Boyao Trading Company)
  • 2017-07-09 03:33:16
  • Shanghai
  • Imported / domestic
  • 2671

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【a brief introdction】

P0648 / 3% NaC1 ornithine decarboxylase fermentation tube // The company specializes in the distribution of various reagents, cells, elisa kits, antibodies, animal serum, standards and other biological reagents, product quality is guaranteed, please contact us!

【Detailed description】

" 3% NaC1 Ornithine Decarboxylase Fermentation Tube

CAS number:

Storage conditions: RT

Please contact us for product specifications and packaging details!

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Anti-deterioration of preservation method:
1. Antioxidation: Sodium sulfite, ferrous sulfate, and sodium thiosulfate are easily oxidized. The bottle mouth should be coated with wax.
2. Anti-carbonation: Sodium silicate, sodium peroxide, and caustic alkali easily absorb carbon dioxide and should be waxed.
3. Weatherproof: crystalline sodium carbonate and crystalline copper sulfate should be wax sealed and stored in the basement.
4. Anti-decomposition: Ammonium bicarbonate and concentrated nitric acid are easily decomposed by heat. After being coated with wax, they are stored in the basement.
5. Activated carbon can absorb a variety of gases and deteriorate. (Same for charcoal), it should be placed in a dryer.
6. Yellow phosphorus is susceptible to spontaneous combustion when exposed to air, and it should be kept in water forever. Check the water every 15 days: add water to the phosphorus reagent bottle, place it in water and water, and close it with a bell jar.
7. Potassium and sodium are stored in fire oil.
8. A few drops of dilute sulfuric acid were added to the ferrous sulfate solution, and an excess of fine iron powder was added for wax sealing.
9. The glucose solution is prone to mildew and can be stored with a few drops of formaldehyde.
10. Formaldehyde is easy to polymerize. Add a small amount of methanol immediately after opening the bottle; add acetaldehyde to ethanol.
Moisture-proof method of preservation:
1. Bleach powder and sodium peroxide should be wax-sealed to prevent water absorption decomposition or water explosion. Sodium hydroxide is easy to absorb water and deliquescence, and should be wax sealed; ammonium nitrate and sodium sulfate are easily absorbed into water, and can not be poured out, which will cause the reagent bottle to rupture, and it should also be tightly sealed.
2. Calcium carbide, anhydrous copper sulfate, phosphorus pentoxide, and silica gel are easily absorbed by water, and red phosphorus is easily oxidized, and then absorbs water to generate metaphosphoric acid. All of the above should be stored in a desiccator.
3. Although concentrated sulfuric acid should be sealed to prevent water absorption, it should be placed in a ground-mouth bottle because it is commonly used.
4. In the basement of "special medicines", the lower layer is clothed with ash, the middle layer is cooked with lime, and the upper layer is covered with double-layered asphalt paper, so as to store medicines.
Biochemical reagents have certain requirements on their purity and technology according to different uses. For example, enzyme reagents include crude enzymes, crystallization enzymes, multiple crystallization enzymes, and enzyme preparations that do not contain certain miscellaneous enzymes. There are three production methods for biochemical reagents: ① separation and purification from organisms; ② chemical synthesis; ③ fermentation. The technical requirements for biochemical reagent products are: content, melting point, freezing point, optical rotation, water content, spectral characteristics, refractive index, density, and biological activity.
Moisture-proof method of preservation:
1. Bleach powder and sodium peroxide should be wax-sealed to prevent water absorption decomposition or water explosion. Sodium hydroxide is easy to absorb water and deliquescence, and should be wax sealed; ammonium nitrate and sodium sulfate are easily absorbed into water, and can not be poured out, which will cause the reagent bottle to rupture, and it should also be tightly sealed.
2. Calcium carbide, anhydrous copper sulfate, phosphorus pentoxide, and silica gel are easily absorbed by water, and red phosphorus is easily oxidized, and then absorbs water to generate metaphosphoric acid. All of the above should be stored in a desiccator.
3. Although concentrated sulfuric acid should be sealed to prevent water absorption, it should be placed in a ground-mouth bottle because it is commonly used.
4. In the basement of "special medicines", the lower layer is clothed with ash, the middle layer is cooked with lime, and the upper layer is covered with double-layered asphalt paper, so as to store medicines.
Storage method of anti-volatile:
1. Oil seal: ammonia water, concentrated hydrochloric acid, concentrated nitric acid and other volatile inorganic liquids. Drop 10 to 20 drops of mineral oil on the liquid surface to prevent volatilization (not use of vegetable oil).
2. Water seal: Add 5mL of water to carbon disulfide for long-term storage. Add water to the mercury to prevent mercury vapor from entering the air. Put some sulfur powder next to the mercury, once lost, spread the sulfur powder to eliminate the residual mercury in the chemical reaction.
3. Wax seal: ether, ethanol, formic acid and other light-soluble or soluble volatile liquids, as well as volatile solids such as naphthalene and iodine, tightly stopper the bottle and coat the bottle with wax. In addition to the original bottle wax sealing, the original bottle should be placed in a plastic barrel with activated carbon, and the mouth of the barrel should be wax sealed.
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