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International Standard Category: Other non-ferrous metals and their alloys

GB/T 6150.3-2009    Methods for chemical analysis of tungsten concentrates—Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry
钨精矿化学分析方法 磷量的测定 磷钼黄分光光度法;
Category No.:77.120.99 Valid Status:superseded
Issued Organization:AQSIQ, SAC Issued Date:2009-10-30
Implemented Date:2010-6-1 Abolished Date:
Superseded Standard.:GB/T 6150.3-2023 Methods for chemical analysis of tungsten concentrates—Part 3: Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry
Superseded Date:2024-6-1
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