GB/T 4702.8-1985 Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content (English Version)
This standard applies to the determination of the amount of arsenic in metallic chromium. Measuring range: 0.0005~0.0020%.
GB/T 4702.8-1985 history
1985GB/T 4702.8-1985 Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content