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〔问〕在贵刊去年10期中介绍《用亚甲基蓝滴定法检验陶土质量》一文对我们很适用,请介绍具体的检验方法。〔答〕测定陶土中有效膨润土含量的亚甲基蓝滴定法是依据陶土中有效膨润土即蒙脱石具有的极强吸附染料的能力,当一定量陶土所吸附的亚甲基蓝越多则说明其有效膨润土含量越高。这一当量关系直接用吸蓝量来表示,样品的吸蓝量越大,则证明该批产品质量越好。
Q: In your last issue of the 10th issue, we introduced the article “Testing the Quality of Clay by Methylene Blue Titration.” This article is very applicable to us. Please introduce the specific test methods. 〔A〕 Determination of effective bentonite clay content in methylene blue titration method is based on clay in the effective bentonite montmorillonite has a strong adsorption capacity of the dye, when a certain amount of clay adsorption of methylene blue, the more effective bentonite content is higher . This equivalent relationship directly with the amount of blue absorption, the greater the sample blue absorption, then the proof of the quality of the batch the better.