• 基本释义

1.In 9 water samples, can appear that calcium carbonate precipitate are 1、2、3、4、5、7 water sample, through add getting sour or add scale control pharmaceutical may suppress the carbonic acidIn 9 water samples, the ones that can appear the calcium sulfate precipitate are 4、6 water sample, can be prevented through the method to add scale control pharmaceutical (SHMP ).
9个水样中,能析出碳酸钙沉淀的水样是1、2、3、4、5、7号水样,通过加酸(盐酸或硫酸)或加防垢剂可以抑制碳酸钙沉淀。 9个样中,能析出硫酸钙沉淀的是4、6号水样,通过加防垢剂(SHMP六偏磷酸钠)的方法可以防止。收藏指正
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