GB/T 631-2026 Pending National standards

GB/T 631-2026 Chemical reagent—Ammonia solution

Publish Date: 2026-02-27 Implement Date: 2026-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 631-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Generally, inorganic reagents

ICS Name: Chemical reagents

Publish Date: 2026-02-27

Implement Date: 2026-09-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国化学标准化技术委员会(SAC/TC 63)

Pages: 16 pages

Scope

本文件规定了化学试剂氨水的性状、技术要求、检验规则和包装及标志，描述了相应的试验方法。本文件适用于化学试剂氨水的检验。
注：化学试剂氨水分子式为 NH₃·H₂O,相对分子质量为35.05(根据2022年国际相对原子质量),CAS号为1336-21-6。

Development Information

Drafting Units:

南京群科化工研究所、江苏省产品质量监督检验研究院、北京化学试剂研究所有限责任公司、湖南汇虹试剂有限公司、浙江海洲制药股份有限公司、永华化学股份有限公司、昆山晶科微电子材料有限公司、惠州市华达通气体制造股份有限公司、郑州和易环保科技有限公司、山西同杰化学试剂有限公司

Drafting Persons:

苏玉倩、邱爱玲、赵季飞、王玉华、朱思昊、王必伟、殷艳红、徐姗、段香江、周晶晶、陈桂红、简金翔、王文领、屈剑、李明

Word Count: 21 Thousand words Pages: 16 pages

Replace the following standards

GB/T 631-2007 Chemical reagent—Ammonia solution

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 9723-2007 Chemical reagent—General rule for flame atomic absorption spectrometric analysis GB/T 9727-2007 Chemical reagent—General method for the determination of phosphate GB/T 9728-1988 Chemical reagent General method for the determination of sulphate GB/T 9728-2007 Chemical reagent—General method for the determination of sulphate GB/T 9729-1988 Chemical reagent General method for the determination of chloride GB/T 9729-2007 Chemical reagent—General method for the determination of chloride GB/T 9740-1988 Chemical reagent General method for the determination of dry residue after evaporation GB/T 9740-2008 Chemical reagent—General method for the determination of dry residue after evaporation GB 15258-1999 General rules for preparation of precautionary label for industrial chemicals GB 15258-2009 General rules for preparation of precautionary label for chemicals GB 15346-1994 Chemical reagent—Packaging and marking GB 15346-2012 Chemical reagent—Packaging and marking GB/T 23942-2009 Chemical reagent—General rules for inductively coupled plasma atomic emission spectrometry GB 28644.2-2012 Limited quantities and packing requirements of dangerous goods GB/T 34672-2017 Chemical reagent—General rules for the ion chromatography GB/T 39486-2020 Chemical reagent—General rules for inductively coupled plasma mass spectrometry HG/T 3921-2006 Chemical reagents sampling and acceptance rules GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Related Standards

GB/T 2921-1982 Abolished

GB/T 2921-1982 Chemical reagents—Classification and nomenclature of liquid stationary phase for gas chromatography

Publish Date: 1982-03-03

GB/T 2922-1982 Abolished

GB/T 2922-1982 Chemical reagents—Determination of specific surface area of solid supports used in chromatography

Publish Date: 1982-03-03

GB/T 3914-1983 Replaced

GB/T 3914-1983 Chemical reagents—The general rules of anodic stripping voltammetry

Publish Date: 1983-11-07

GB/T 673-1984 Replaced

GB/T 673-1984 Chemical reagent—Arsenic trioxide

Publish Date: 1984-12-27

GB/T 1263-1986 Replaced

GB/T 1263-1986 Chemical reagent—Disodium hydrogen phosphate dodecahydrate

Publish Date: 1986-08-13

GB/T 1292-1986 Replaced

GB/T 1292-1986 Chemical reagents—Ammonium acetate

Publish Date: 1986-08-13