This standard specifies the determination of nickel content by dimethylglyoxime photometric method. This standard is applicable to

This standard specifies the determination of tin content by hypophosphite reduction volumetric method. JB/T 7520.5-1994 Chemical a

This standard specifies the determination of antimony content by potassium iodide photometry. JB/T 7520.4-1994 Chemical analysis m

This standard specifies the determination of phosphorus content by barium molybdate photometry. This standard is applicable to the

This standard specifies the determination of silver content by silver chloride gravimetric method. This standard is applicable to

This standard specifies the use of EDTA volumetric method to measure copper content. JB/T 7520.1-1994 Chemical analysis method for

This standard specifies the chemical analysis method and allowable deviation range of hazardous solid wastes from heat-treated sal

This standard specifies guidelines for the development of test evaluation and use of statistical evaluation methods for the reliab