GB/T 21796-2022 Active National standards

GB/T 21796-2022 Chemicals—Activated sludge respiration inhibition test

Publish Date: 2022-07-11 Implement Date: 2023-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21796-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Logo, packaging, transportation, storage

ICS Name: \nProtection against dangerous goods

Publish Date: 2022-07-11

Implement Date: 2023-02-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国危险化学品管理标准化技术委员会(SAC/TC 251)

Pages: 17 pages

Scope

本文件规定了化学品活性污泥呼吸抑制试验的受试物信息、试验原理、参比物质/参比物、试验方法、试验程序、质量保证与质量控制、数据与报告。本文件适用于评价易溶于水、难溶于水、易吸附和具有挥发性的化学物质对生物法污水处理厂活性污泥中微生物的有机碳氧化过程、硝化作用的影响。

Development Information

Drafting Units:

生态环境部固体废物与化学品管理技术中心、广东省微生物研究所、沈阳沈化院测试技术有限公司、上海市检测中心、厦门丰力扬科技有限公司、生态环境部南京环境科学研究所、中国检验检疫科学研究院、上海市环境科学研究院、陕西润正检测科技有限公司

Drafting Persons:

刘纯新、韦洪莲、桑宇、曾国驱、窦从从、韩雪、陈晓倩、石利利、周丽丽、胡双庆、许丽红、汤保华

Word Count: 34 Thousand words Pages: 17 pages

Replace the following standards

GB/T 21796-2008 Chemicals—Activated sludge,respiration inhibition test

Referenced Standards

OECD化学品测试导则 No.104 OECD化学品测试导则 No.316 GB/T 21845-2008 Chemicals—Water solubility test GB/T 21851-2008 Chemicals—Adsorption-desorption using a batch equilibrium method GB/T 21852-2008 Chemicals—Partition coefficient(n-octanol/water)—High performance liquid chromatography(HPLC)method GB/T 21853-2008 Chemicals—Partition coefficient(n-octanol/water)—Shake flask method GB/T 21855-2008 Chemicals—Test of hydrolysis as a function of pH GB/T 22052-2008 Test method for vapor pressure-temperature relationship and initial decompostition temperature of liquids by isoteniscope GB/T 22228-2008 Chemical products for industrial use—Determination of vapour pressure of solids and liquids in the rang 10 -1 to 10 5 Pa—Static method GB/T 22229-2008 Chemical products for industrial use—Determinaton of vapour pressure of solids and liquids at range 10 -3 to 1 Pa—Vapour pressure balance method GB/T 21852-2025 Chemicals—Partition coefficient (n-octanol/water)—High performance liquid chromatography (HPLC)method

Related Standards

GB 6944-1986 Replaced

GB 6944-1986 Classification and code of dangerous goods

Publish Date: 1986-10-07

GB/T 7694-1987 Replaced

GB/T 7694-1987 The rule of nomenclature for dangerous goods

Publish Date: 1987-04-20

GB 11806-1989 Abolished

GB 11806-1989 Regulations for the safe transport of radioactive material

Publish Date: 1989-11-21

GB 11928-1989 Active

GB 11928-1989 Regulations for interim storage of low-and intermediate-level radioactive solid wastes

Publish Date: 1989-12-21

GB 11929-1989 Replaced

GB 11929-1989 Regulations for designing storage building of high level radioactive liquid waste

Publish Date: 1989-12-21

GB 12268-1990 Replaced

GB 12268-1990 List of dangerous goods

Publish Date: 1990-03-19