1 Subject Content and Application Scope
This standard specifies the determination of insoluble matter content of hydrochloric acid by gravimetric method.
This standard is applicable to the determination of insoluble matter content of hydrochloric acid in limestone products for chemical industry and the determination range is 0.5%~10%.
2 Normative Reference
GB 6682 Water for Analytical Laboratory Use - Specification and Test Methods
3 Method Summary
Decompose the specimen with hydrochloric acid, filter the mixture, ignite and weigh the residue to obtain the insoluble matter of hydrochloric acid.
4 Reagents and Solutions
Water used in this standard shall conform to the specification of Grade 3 water specified in GB 6682; unless otherwise specified, the adopted reagents refer to analytical reagents.
1 Subject Content and Application Scope
2 Normative References
3 Method Summary
4 Reagents and Solutions
5 Specimen
6 Analytical Procedures
7 Expression of Analysis Results
8 Allowable Difference
Additional Information
