석탄 및 코크스 — 샘플링·분석 및 시험 방법 통칙
煤炭和焦炭 - 抽样 分析和测试的一般规则
2020-12-31
GB/T 41039-2021
现代煤化工项目设计煤种和校核煤种确定通则
The general rules of determing designed coal and checked coal in modern coal chemical technology
2021-12-31
AS 1038.10.2-1998
Coal and coke - Analysis and testing, Part 10.2: Determination of trace elements - Coal and coke - Determination of arsenic, antimony and selenium - Hydride generation method
煤和焦炭.分析和试验 第10.2部分:微量元素的测定.煤和焦炭.砷、锑和硒的测定.氢化物发生法
1998-06-05
ISO 11723-2025
Coal and coke — Determination of arsenic and selenium — Eschka's mixture and hydride generation method
煤和焦炭砷和硒的测定埃施卡混合物和氢化物发生法
2025-06-25
GB/T 9724-2007
化学试剂 pH值测定通则
Chemical reagent - General rule for the determination of pH
2007-09-26
GB/T 22594-2018
水处理剂 密度测定方法通则
Water treatment chemicals—General rules for determination of density
2018-06-07
GB/T 9737-2008
化学试剂 易炭化物质测定通则
Chemical reagent - General rules for the determination of readily carbonizable substances
2008-05-15
GB/T 9726-2007
化学试剂 还原高锰酸钾物质测定通则
Chemical reagent - General rule for the determination of permanganate-reducing substances