介绍了PV C树脂悬浮法生产过程中搅拌工程的改造及分散剂用量对树脂性能的影响。
It was reported that the mixing engineering of PVC resin with suspension method in production was improved, and the effect of disperser quantity on resin properties was introduced.
方法利用砷斑法原理进行反应酸、还原剂体系的配比、使用量及使用条件、检测试纸条及标准比色板的制备和条件实验。
Methods Based on the arsenic stain method principle the condition of reaction acid reducing agent system, measuring strip, and standard colorful board were experimented.
混合溶液法的精密度、反应现象、读数误差、试剂用量及费用等方面均优于KI溶液法。
Several aspects were compared, such as accuracy, phenomenon, reading error, cost and the use level of reagent. Mixed solution method was superior to KI solution method.
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