Methods of sampling for chemical analysis of ferroalloys (Part 1:Ferromanganese, ferrosilicon, ferrochromium, ferrosilicomanganese and ferrosilicochromium)
铁合金化学分析取样方法（第1部分:锰铁、硅铁、铬铁、硅锰铁和硅铬铁）

1998-01-01

钬铁合金化学分析方法　第1部分：稀土总量的测定　重量法
Chemical analysis methods for holmium ferroalloy—Part 1:Determination of rare earth total cotent—Gravimetry

2016-07-11

稀土铁合金化学分析方法 第1部分：稀土总量的测定
Chemical analysis methods for rare earth ferroalloy—Part 1: Determination of total rare earth content

2022-12-30

钆铁合金化学分析方法　第1部分：稀土总量的测定　重量法
Chemical analysis methods of gadolinium ferroalloy—Part 1:Determination of total rare earth content—Gravimetry

2012-11-07

稀土硅铁合金及镁硅铁合金化学分析方法 第1部分：稀土总量、十五个稀土元素含量的测定
Chemical analysis methods of silicon-based rare earth ferroalloy and RE-Mg ferro-silicon alloy—Part 1: Determination of total rare earth and fifteen rare earth elements contents

2024-04-25

稀土金属及其氧化物中稀土杂质化学分析方法 第1部分：镧中铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium contents in lanthanum metal and oxide

2020-11-19