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Chinese National Standard Category: Rare metals and their alloys analysis method |
English Title: | Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of chlorine content—Silver nitrate turbidimetric method |
Chinese Title: | 稀土金属及其氧化物中非稀土杂质化学分析方法氯量的测定 硝酸银比浊法 |
Standard No.: | GB/T 12690.9-2003 |
Category No.: | H14 |
Issued by: | AQSIQ |
Issued on: | 2004-06-01 |
Implemented on: | 2004-6-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | GB 11074.7-1989 氧化钐化学分析方法 硫氰酸汞-硝酸铁分光光度法测定氯量 |
Word Count: | 3000 words |
Similar Standards: | YS/T 230.1-1994 YS/T 230.3-1994 GB/T 16480.1-1996 YS/T 230.5-1994 GB/T 16480.4-1996 YS/T 230.6-1994 GB/T 18115.7-2000 GB/T 18115.10-2000 YS/T 230.2-1994 GB 11074.2-1989 YS/T 230.7-1994 GB/T 18115.8-2000 GB/T 18116.2-2000 YB 1503-1977 GB/T 18115.2-2000 YS/T 474-2005 GB/T 18115.6-2000 GB/T 18115.5-2000 GB/T 18115.4-2000 YS/T 230.4-1994 |
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