The reaction principal, reaction procedure and flowsheeting in the potassium sulfate method are included.
给出了甲酸钠法的反应原理、反应过程以及工艺流程。对原料消耗、产品规格及质量了简介绍。
Water (Aqua), Glycerin, Propylene Glycol, Hydroxyethylcellulose, Tetrasodium EDTA, Citric Acid, Sodium Benzoate.
() ,油,丙二醇,羟乙基纤维素, Tetrasodium乙二胺四乙酸,柠檬酸,苯甲酸钠。
The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.
以一氯丙酮、甲酸钠和甲醇为原料经酯化与醇解两步反应合成羟基丙酮,研究了反应条件对相转移催化酯化以及醇解反应蒸馏过程的影响。
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The preservative used in this product is sodium benzoate.
使用的防腐剂为苯甲酸钠。
The company said it recently shifted away from this preservative combination to one with sodium benzoate.
该公司表示,它最近已从种防腐剂组合转向苯甲酸钠。
Sodium benzoate, for example, has been found to react with ascorbic acid — aka Vitamin C — to produce benzene, a hydrocarbon that's known to cause cancer.
例如,研究发现苯甲酸钠血酸——也就是维生素 C——反应生苯,而苯是一种已知会导致癌症的碳氢化合物。
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