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Lactic acid is a simple hydroxy acid that is widely found in humans, animals, plants, and microorganisms. There is an asymmetric carbon atom in the lactic acid molecule, so it is optically active; among them, l-lactic acid is dextrorotatory, d-lactic…
There are many methods for extracting penicillin from fermentation broth, such as activated carbon adsorption, precipitation, ion exchange, solvent extraction, etc. Solvent extraction is currently widely used, which is to mix an organic solvent with the solution pretreated with penicillin…
With the increasing water consumption and discharge of industries such as pharmaceuticals, chemicals, pesticides, etc, the environmental pollution caused by high concentration organic wastewater is becoming more and more serious. Organic COD is generally above 2000mg/L, and some are even…
Chloroform is a colorless and transparent liquid that is miscible with ethanol, benzene, ether, petroleum ether, carbon tetrachloride, carbon disulfide and oils. Using chloroform to extract organic matter from aqueous solution is a common operation method. Chloroform extracts organic matter…
High purity manganese sulfate is mainly used as a precursor for the positive electrode ternary or binary materials of nickel-cobalt-manganese-oxide lithium batteries and the production of high-purity manganese oxide. It has very high requirements for the purity of manganese sulfate,…
There are generally three methods to obtain nickel electrolyte from nickel solution containing cobalt and other impurities: 1.Precipitation method + oxidation: Iron and copper are precipitated at a certain pH value, and then oxidized by a strong oxidant to precipitate…
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