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Acetone oxime

Acetone oxime is an organic compound with the molecular formula C3H7NO and white needle shaped crystals. Easy to dissolve in water, ethanol, ether, and acetone, soluble in acids and bases, and easily hydrolyzed in dilute acids. It evaporates quickly in the air.

Trisodium phosphate

Trisodium phosphate

One of the CAS numbers for trisodium phosphate is 7601-54-9 [1], also known as Trisodium phosphate in English. Trisodium phosphate can be considered as a product obtained by replacing all three hydrogen ions H+in its molecular formula with three metal sodium atoms Na, based on H3PO4 phosphate as the parent material. Because H3PO4 phosphate is a ternary acid, its molecular formula contains three hydrogen ions that can be replaced by metal elements.

Sodium tripolyphosphate

Sodium tripolyphosphate

Sodium tripolyphosphate is formed by neutralizing phosphoric acid with soda ash to form sodium orthophosphate, which is then condensed. There are two methods for producing phosphoric acid: wet method and hot method. Wet method is to react phosphate ore with inorganic acid (usually sulfuric acid, but hydrochloric acid can also be used), extract and refine them to obtain phosphoric acid. Thermal method is to roast phosphate ore together with coke and silica in an electric furnace, reduce phosphate minerals to phosphorus, and then oxidize and hydrate to obtain phosphoric acid.

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