Posted on Mon, 25 Jan 2021 06:49:58 +0000
Gelatin is a natural protein extracted from animal skin and bone after processing. Its excellent physical and chemical properties are widely used in science, biological materials and industrial technology. Gelatin is a heat-sensitive protein. In its production process, concentration and drying ar...
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Posted on Mon, 21 Dec 2020 02:45:41 +0000
Acetone is an organic substance with a molecular formula of C3H6O. It is a colorless and transparent liquid with a special pungent odor. It is easily soluble in water and organic solvents such as methanol, ethanol, ether and chloroform. It is flammable, volatile, and chemically more active. In in...
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Posted on Thu, 17 Sep 2020 05:45:13 +0000
Background technique: The liquid contains dissolved gas absorbed from the atmosphere, and the solvent gas in the high-efficiency liquid system will cause inaccurate action of the valve of the infusion pump and disorder of the detection base line. If the content of air bubbles in the liquid is lar...
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Posted on Mon, 27 Jul 2020 07:22:03 +0000
Rosin refers to a kind of pine resin, which can be obtained from a variety of pine trees, especially Pinus palustris, Cuban pine and Loblolly pine , which are produced in the southeastern United States, and can also be obtained from all over the world Obtained from pine-like tree species. Cut the...
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