... demulsification number 反乳化值 demulsification value 脱乳值 demulsification 脱乳作用 ...
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Demulsification and separation should be done to analyze its content, its saponification and acid value were analyzed after separation, then the ester content can be obtained.
酯类油性剂不溶于水，必须用乳化剂将其乳化，分析其含量必须先破乳、分离，分离后分析其皂化值及酸值，即可得到酯含量。
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