HG/T 4542-2013
Circulating cooling water-Determination of polyepoxysuecinic acid
GB/T 34698-2017
Rubber compounding ingredients—Determination of water soluble substance of silica,precipitated,hydrated—Electrolytic conductivity method
MH/T 6119-2018
YS/T 1161.4-2021
GB/T 11064.1-2024
Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 1: Determination of lithium carbonate content—Titration
GB/T 11064.2-2023
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 2:Determination of lithium hydroxide content—Acid-alkali titrimetric method
HG/T 3748-2014
GB/T 11064.9-2023
Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 9: Determination of sulfate content—Barium sulfate turbidity method
HG/T 3536-2011
YS/T 715.5-2009
Methods for chemical analysis of selenium dioxide—Part 5:Determination of water insoluble content— Gravimetric analysis
QB/T 5347-2018
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 12690.3-2015(\u82f1\u6587\u7248)
稀土金属及其氧化物中非稀土杂质化学分析方法 第3部分:稀土氧化物中水分量的测定 重量法
YS/T 1317-2019
Method for chemical analysis of karstedt catalyst solution-Determination of platinum content-Hydrazine hydrate reduction method
GB/T 27853-2011
Chemicals - Aerobic and anaerobic transformation in aquatic sediment systems test
GB/T 34500.2-2017(\u82f1\u6587\u7248)
稀土废渣、废水化学分析方法 第2部分:化学需氧量(COD)的测定
GB/T 19444-2004
Oxygen precipitation characterization of silicon wafers by measurement of interstitial oxygen reduction
T/FSI 136-2024
HG/T 3930-2007
Heavy oxygen(18O)water
GB/T 11064.16-2023
Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 16: Determination of calcium, magnesium, copper, lead, zinc, nickel, manenases, cadmium, aluminum, iron and sulfate contents—Inductively coupled plasma atomic emission spectrometry