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Method for determination of pivalic acid in pharmaceutical waste water?

Shandong Minji Chemical Co.,Ltd | Updated: Apr 11, 2016

Preliminary separation of pharmaceutical waste, steam the low-boiling substances after rough pivalic acid through distillation fractions collected 160 ℃, obtained by recrystallization of purity of more than 99% of pivalic acid products. Remaining liquid through distillation method for recovery of coarse ethylhexanoate, refining, distillation 95% octoate products is available. Pivalic acid chloride synthesis of phosphorus trichloride is slowly dropping to pivalate, controlling the temperature and moisture. When the reaction is complete, isolated by distillation 99% pivaloyl chloride purity products.


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