GB/T 44640-2024 Active National standards

GB/T 44640-2024 Chemicals—Xenopus eleutheroembryonic thyroid assay

GB/T 44640-2024 Chemicals—Xenopus eleutheroembryonic thyroid assay

Publish Date: 2024-09-29 Implement Date: 2025-04-01 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 44640-2024
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: 2024-09-29
Implement Date: 2025-04-01
Pages: 44 pages

Scope

This document describes the method for testing the thyroid activity of African clawed frog embryos. This document is suitable for screening the response of African clawed frog embryos to potential thyroid active substances; it is suitable for screening potential thyroid active substances. This document is not suitable for volatile chemical substances; it is not suitable for chemical substances that accumulate in African clawed frog embryos and emit fluorescence in the wavelength range of 500 nm to 550 nm when excited by wavelengths in the range of 450 nm to 500 nm.

Development Information

Word Count: 76 Thousand words Pages: 44 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 27861-2011 Chemicals—Fish acute toxicity test GB/T 29763-2013 Chemicals—Rare Minnow(Gobiocypris rarus)acute toxicity test GB/T 30664-2014 Chemicals—Amphibian metamorphosis assay GB/T 42426-2023 Chemicals—Vapor pressure test OECD化学品测试导则No.241 OECD化学品测试导则No.310 OECD化学品测试导则No.316 GB/T 21852-2025 Chemicals—Partition coefficient (n-octanol/water)—High performance liquid chromatography (HPLC)method

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