化学试剂 2,4-二硝基苯肼
Chemical reagent 2, 4--Dinitrophenylhydrazine
2000-06-05
KS M ISO 6353-2
화학 분석용 시약 — 제2부: 표준 — 제1집
化学分析试剂 - 第2部分:规格 - 第一批
2017-12-12
KS M ISO 6353-2
화학 분석용 시약 — 제2부: 규격 — 제1집
化学分析试剂.第2部分:规范.第一系列
2022-11-16
ISO 6353-2-1983
Reagents for chemical analysis — Part 2: Specifications — First series
化学分析试剂第2部分:规范;第一系列
1983-12-01
ISO 6353-2-1983/Add 2-1986
Reagents for chemical analysis — Part 2: Specifications — First series — Addendum 2
化学分析试剂第2部分:规范第一系列附录2
1986-11-20
T/CRIAC 0111-2025
化学试剂 气相色谱用标准样品 2-甲基-2-丙醇 (叔丁醇)
Chemical reagent — Reference material for gas chromatography — 2-methyl-2-propanol (tert - Butyl alcohol)
2025-07-18
HG/T 3696.2-2011
无机化工产品 化学分析用标准溶液、制剂及制品的制备 第2部分:杂质标准溶液的制备
Inorganic chemicals for industrical use Preparations of standard and reagent solutions for chemical analysis Part 2: Preparations of standard solutions for impurity
2011-12-20
DIN EN ISO 21079-1
Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO<(Index)2> (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents and dissolution (ISO 21079-1:2008)
含氧化铝、氧化锆和二氧化硅耐火材料的化学分析.含5%至45%氧化锆的耐火材料(指数)2>(X射线荧光法的替代方法).第1部分:仪器、试剂和溶解(ISO 21079-1-2008);德文版EN ISO 21079-1:2008
2008-08-01
DIN EN ISO 21079-1-DRAFT
Draft Document - Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO<(Index)2> (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents and dissolution (ISO/DIS 21079-1:2006); German version prEN ISO 21079-1:2006
文件草案——含氧化铝、氧化锆和二氧化硅耐火材料的化学分析——含5%至45%ZrO的耐火材料(索引)2>(X射线荧光法的替代方法)——第1部分:仪器、试剂和溶解(ISO/DIS 21079-1:2006);德文版prEN ISO 21079-1:2006