GB/T 23948-2009 in English

《GB/T 23948-2009无机化工产品中水不溶物测定通用方法》由TC63（全国化学标准化技术委员会）归口，TC63SC1（全国化学标准化技术委员会无机化工分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了无机化工产品中水不溶物含量测定通用方法的方法提要、试剂和材料、仪器设备、分析步骤和结果计算。
本标准适用于无机化工产品中水不溶物含量的测定。本标准规定的玻璃砂坩埚法适用于非碱性物质水不溶物的测定。用本标准测定水不溶物时按取样量和规格值计算所得到的不溶物质量不得小于1mg。

Scope

This standard specifies the method summary, reagents and materials, instruments and equipment, analysis steps and result calculation of general methods for the determination of water-insoluble content in inorganic chemical products. This standard is applicable to the determination of water-insoluble content in inorganic chemical products, and the glass sand crucible method specified in this standard is applicable to the determination of non-alkaline substance water-insoluble. When using this standard to measure water-insoluble matter, the amount of insoluble matter calculated according to the sampling amount and specification value must be less than 1 mg.