The remaining oil is treated with an alkali to remove free fatty acids.
剩下的油在碱的作用下除去自由的脂肪酸。
Sodium hypochlorite solution has been prepared by chlorine and sodium hydroxide, the content of free alkali should be controlled at about 10.8%, and the effective chlorine at about 8.0%.
以氯气和氢氧化钠为原料制备次氯酸钠溶液，控制其中游离碱含量在10.8%左右，有效氯在8.0%左右。
The preparation of tetramisole free alkali was studied with anti addition method.
采用反加法对四咪唑游离碱的制备进行了实验研究。
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