GB/T 15072.8-2008
ActiveTest method of precious metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA
贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法
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Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method
GB/T 340-1976
Non-ferrous metals and its alloys--Code of designation
GB/T 466-1982
Classification of copper
GB/T 4702.8-1985
Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content
GB/T 4702.11-1985
Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content
GB/T 4702.9-1985
Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content
GB/T 4702.10-1985
Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content
GB/T 5235-1985
Wrought nickels and nickel alloys--Chemical composition and forms of wrought products