Standard No.:	GB/T 12690.1-2002
English Name:	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
Chinese Name:	稀土金属及其氧化物中非稀土杂质化学分析方法 高频--红外吸收法测定碳、硫量
Chinese Classification:	H65    Rare metals and their alloys
Professional Classification:	GB    National Standard
ICS Classification:	77.120.99 77.120.99    Other non-ferrous metals and their alloys 77.120.99
Source Content Issued by:	AQSIQ
Issued on:	2002-1-1
Implemented on:	2003-6-1
Status:	superseded
Superseded by:	GB/T 12690.1-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 1:Determination of carbon and sulfur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
Superseded on:	2016-4-1
Superseding:	GB/T 12690.13-1990 Neodymium and samarium-Determination of carbon content-High frequency-Infrared absorption method
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	224.0
Delivery:	via email in 1~3 business day

本标准规定了稀土金属及其氧化物中碳、硫含量的测定方法。本标准适用于稀土金属及其氧化物中碳、硫含量的测定，测定范围：碳，0.005%～1.00%；硫，0.005%～0.100%。金属铥、金属镱、金属镥中碳、硫含量的测定参照此方法。