GB/T 23948-2009 Inorganic chemicals for industrial use—General method for the determination of water insoluble matter
GB/T 23948-2009 Inorganic chemicals for industrial use—General method for the determination of water insoluble matter
Basic Information
Scope
This standard specifies the general method for determining the content of water-insoluble substances in inorganic chemical products, including the method outline, reagents and materials, instrumentation and equipment, analytical procedures, and result calculation.
This standard is applicable to the determination of the content of water-insoluble substances in inorganic chemical products. The glass sand crucible method specified in this standard is suitable for the determination of water-insoluble substances in non-alkaline substances. When determining the water-insoluble substances according to this standard, the mass of the insoluble substances calculated based on the sampling quantity and the specification value shall not be less than 1 mg.