GB/T 21818-2025 Active National standards

GB/T 21818-2025 Chemicals—Inherent biodegradability—Modified MITI test (Ⅱ)

GB/T 21818-2025 Chemicals—Inherent biodegradability—Modified MITI test (Ⅱ)

Publish Date: 2025-08-29 Implement Date: 2025-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21818-2025

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: 2025-08-29

Implement Date: 2025-12-01

Pages: 16 pages

Scope

This document establishes the principles of the MITI Test (II) for improving the inherent biodegradability of chemicals, and stipulates the requirements for test substance information, reference substances, test systems, test procedures, quality control and quality assurance, and data and reporting.
This document is applicable to the MITI Test (II) for improving the inherent biodegradability of chemicals.

Development Information

Word Count: 19 Thousand words Pages: 16 pages

Replace the following standards

GB/T 21818-2008 Chemicals—Inherent biodegradability—Modified MITI test (Ⅱ)

Referenced Standards

GB/T 21796-2008 Chemicals—Activated sludge,respiration inhibition test GB/T 21796-2022 Chemicals—Activated sludge respiration inhibition test GB/T 21845-2008 Chemicals—Water solubility test GB/T 21851-2008 Chemicals—Adsorption-desorption using a batch equilibrium method GB/T 21855-2008 Chemicals—Test of hydrolysis as a function of pH 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

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