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Pharmaceutical grade phenol carbolic acid chemical property use
Time of Update: 2022-10-19
0 [Properties] This product is a colorless to reddish needle-like crystal or crystalline block; There is a special odor; hygroscopic; The aqueous solution is weakly acidic; When exposed to light or in the air, the color gradient darkens.
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Physical and chemical properties of itaconic acid
Time of Update: 2022-01-03
At present, only four countries in the world produce itaconic acid, the United States, Japan, China, and Russia, and the global annual production capacity is about 10×10 4 tons .
At present, there are mainly three methods for separating itaconic acid from fermentation broth: a.
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Polyacrylic acid (PAA) physical and chemical properties and preparation method
Time of Update: 2021-12-09
A stoichiometric amount of ammonium persulfate is made into a dilute solution with a metered amount of water and placed in a dropping funnel on the polymerization reactor.
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Physical and Chemical Properties of Amino Trimethylene Phosphonic Acid (ATMP)
Time of Update: 2021-11-13
[Preparation](1) It is prepared by the reaction of formaldehyde , ammonium chloride , phosphorus trichloride and water at a certain temperature.
The reaction formula is as follows:Add the metered ammonium chloride and water into the reaction kettle, turn on the stirrer to mix them, and slowly add phosphorus trichloride and formaldehyde .
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Physical and Chemical Properties of Diethylene Triamine Pentamethylene Phosphonic Acid (DTPMP)
Time of Update: 2021-11-13
It can dissociate into 10 positive and negative ions in an aqueous solution, which can be chelated with two or more metal ions to form two or more three-dimensional macromolecular viscous complexes, which are loosely dispersed in water to destroy calcium carbonate and other calcium Salt crystals grow, thereby playing a role in scale inhibition .
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Molecular weight and chemical properties of 20 amino acids.
Time of Update: 2020-10-20
20 kinds of "" press The chemical and chemical properties can be divided into 4 groups: (1) non-polar, hydrophobic amino acids: glycine, alanine, proline, lilacine, isolecine, phenylalanine and proline.
