GB/T 46140-2025 Active National standards

GB/T 46140-2025 Chemicals—Water-sediment myriophyllum spicatum toxicity test

GB/T 46140-2025 Chemicals—Water-sediment myriophyllum spicatum toxicity test

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

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Basic Information

Standard Code: GB/T 46140-2025

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: 20 pages

Scope

This document specifies the testing principles, test substance information, reference substances, testing materials and conditions, testing procedures, quality assurance and quality control, data statistics, and test reports for the toxicity test of Spirodela polyrhizoides in the water-sediment system of chemicals.
This document is applicable to evaluating the impact of chemicals on the vitality of Spirodela polyrhizoides, a root aquatic plant grown in a standard water-sediment medium (water, sediment, and nutrient solution).

Development Information

Word Count: 27 Thousand words Pages: 20 pages

Referenced Standards

GB/T 21801-2008 Chemicals—Ready biodegradability—Manometric respirometry test GB/T 21802-2008 Chemicals—Ready biodegradability—Modified MITI test (Ⅰ) GB/T 21803-2008 Chemicals—Ready biodegradability—DOC die-away test GB/T 21831-2008 Chemicals—Ready biodegradability:Closed bottle test GB/T 21845-2008 Chemicals—Water solubility test 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 21856-2008 Chemicals—Ready biodegradability—CO2 evolution test GB/T 21857-2008 Chemicals—Ready biodegradability—Modified OECD screening test 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 27850-2011 Chemicals—Ready biodegradability—General considerations GB/T 42426-2023 Chemicals—Vapor pressure test GB/T 21852-2025 Chemicals—Partition coefficient (n-octanol/water)—High performance liquid chromatography (HPLC)method

Related Standards

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Publish Date: 1989-12-21

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GB 12268-1990 List of dangerous goods

Publish Date: 1990-03-19