There are many kinds of demulsifying agents. Differences exist among various demulsifying agents because of their various constituents and various solvents.

破乳剂的种类很多，每种破乳剂由于其组份结构不同、溶剂种类不同而存在一定差异。

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In formulating test target, it is necessary to aim at various characteristics of demulsifying agents and to formulate the quality control target which closely related with its quality.

在制定破乳剂检测指标时，需要针对每种破乳剂的特点制定出与其质量密切相关的质量控制指标。

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