Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 1:Determination of carbon and sulfur contents―High frequency-infrared absorption method GB/T 12690.1-2015 - Chinese Category:GB/T 12690.1-2015

English Title:	Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 1:Determination of carbon and sulfur contents―High frequency-infrared absorption method
Chinese Title:	稀土金属及其氧化物中非稀土杂质化学分析方法第1部分：碳、硫量的测定高频-红外吸收法
Standard No.:	GB/T 12690.1-2015
Category No.:	H14
Issued by:	AQSIQ; SAC
Issued on:	2015-09-11
Implemented on:	2016-4-1
Status:	superseded
Superseded by:	GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1：Determination of carbon and sulfur contents—High frequency-infrared absorption method
Superseded on:	2023-7-1
Abolished on:	2023-07-01
Superseding:	GB/T 12690.1-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of carbon and sulfur contents-High frequency-infrared absorptoin method
Word Count:	3500 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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