GB/T 35524-2017Chemicals - Lemna sp. growth inhibition test (English PDF)
化学品 浮萍生长抑制试验
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
July 1, 2018
Scope
GB/T 35524-2017 is the English-translated version of 化学品 浮萍生长抑制试验.
GB/T 35524-2017 is the Chinese standard "Chemicals - Lemna sp. growth inhibition test".
Its scope clause reads: This standard specifies the chemical duckweed growth inhibition test terms and definitions of the test substance required information, principles, reference materials, equipment, Test Systems, Test Procedures, Quality Control, Data and Reports.
This standard applies to test the toxicity of chemicals to freshwater aquatic Lemna. Its clauses include terms and definitions.
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Document preview — GB/T 35524-2017
National Standard of the People's Republic of China
- ICS
- 13.300
- Classification
- A 80
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Biomass
- 3.2 Chromic chlorosis
- 3.3 Clone
1 Scope
This standard specifies the chemical duckweed growth inhibition test terms and definitions of the test substance required information, principles, reference materials, equipment,
Test Systems, Test Procedures, Quality Control, Data and Reports.
This standard applies to test the toxicity of chemicals to freshwater aquatic Lemna.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 21801 Rapid biodegradation of chemicals - Respiration measurement test
GB/T 21802 Rapid Improvement of Biodegradability of Chemicals by MITI Test (I)
GB/T 21803 Fast biodegradable DOC degradation test
GB/T 21831 Rapid biodegradable chemicals closed bottle test
GB/T 21845 chemical water solubility test
Chemical partition coefficient (n-octanol - water) HPLC test
Chemical partition coefficient (n-octanol-water) Shaking flask method test GB/T 21853
GB/T 21855 Chemical pH-related hydrolysis test
GB/T 21856 Rapid chemical biodegradation of carbon dioxide production test
GB/T 21857 rapid biodegradation of chemicals improved OECD screening test
GB/T 22052 with a liquid vapor pressure gauge liquid vapor pressure and temperature and the relationship between the initial decomposition temperature
GB/T 22228 Industrial chemicals solid and liquid vapor pressure in the range of 10-1Pa to 105Pa Determination of static method
GB/T 22229 Industrial chemicals solid and liquid vapor pressure in the range of 10-3Pa to 1Pa Determination of vapor pressure level
Balance method
OECD Chemicals Test Guide No. 104 Vapor Pressure (Vapor Pressure)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Biomass
The dry weight of living material present in a population, as used in this International Standard, indicates alternative numbers of duckweed, such as the number of fronds or total leaf area
Representative measurement.
3.2 Chromic chlorosis
Fronds turn yellow.
3.3 Clone
Organisms of the same genotype are formed by asexual reproduction of offspring.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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