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GB/T 36700.6-2018: Chemicals -- Guidance on hazard classification to the aquatic environment -- Part 6: Quantitative structure-activity relationship (QSAR)
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| GB/T 36700.6-2018 | English | 199 |
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Chemicals -- Guidance on hazard classification to the aquatic environment -- Part 6: Quantitative structure-activity relationship (QSAR)
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GB/T 36700.6-2018
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Basic data | Standard ID | GB/T 36700.6-2018 (GB/T36700.6-2018) | | Description (Translated English) | Chemicals -- Guidance on hazard classification to the aquatic environment -- Part 6: Quantitative structure-activity relationship (QSAR) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A80 | | Classification of International Standard | 13.300 | | Word Count Estimation | 10,138 | | Date of Issue | 2018-09-17 | | Date of Implementation | 2019-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 36700.6-2018: Chemicals -- Guidance on hazard classification to the aquatic environment -- Part 6: Quantitative structure-activity relationship (QSAR)
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Chemicals - Guidance on hazard classification to the aquatic environment - Part 6. Quantitative structure-activity relationship (QSAR)
ICS 13.300
A80
National Standards of People's Republic of China
Chemical aquatic environmental hazard classification guide
Part 6. Quantitative Structure Activity Relationship (QSAR)
Part 6. Quantitativestructure-activityrelationship (QSAR)
Published on.2018-09-17
Implementation of.2019-04-01
State market supervision and administration
China National Standardization Administration issued
Foreword
GB/T 36700 "Chemical Aquatic Environmental Hazard Classification Guidance" is divided into the following eight parts.
--- Part 1. Introduction;
--- Part 2. Unified classification method;
---Part 3. Aquatic toxicity;
--- Part 4. Degradation;
--- Part 5. Bioconcentration;
--- Part 6. Quantitative structure activity relationship (QSAR);
--- Part 7. Classification of metals and metal compounds;
--- Part 8. Guidance for the conversion/dissolution of metals and metal compounds in aqueous media.
This part is the sixth part of GB/T 36700.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part is proposed and managed by the National Technical Committee for Standardization of Hazardous Chemicals Management (SAC/TC251).
This section drafted by. Anhui Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Ministry of Environmental Protection Solid Waste and Chemicals Management Technology
Center, Changzhou Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, China Chemical Industry and Technology Development Center, Shanghai Chemical Research Institute Co., Ltd.
Huafeng Group Co., Ltd., Beijing Guoshi Ankang Technology Co., Ltd., Tsinghua University, Jiangyin Chengxing Daily Chemical Co., Ltd.
The main drafters of this section. Wen Jinsong, Lu Ling, Wang Rong, Ji Yiwu, Zhang Lei, Yan Xuedong, Tian Yu, Wang Xinchen, Sun Wei, Teng Xiaoming, Cao Mengran,
He Shaopeng, Huang Jun, Wang Bin.
Chemical aquatic environmental hazard classification guide
Part 6. Quantitative Structure Activity Relationship (QSAR)
1 Scope
This part of GB/T 36700 specifies the classification of chemicals for aquatic environmental hazards involving quantitative structure activity relationship (QSAR) methods.
Test factors, model selection, and use that lead to dangerous underestimation.
This section applies to the guidance on the use of QSAR for the classification of chemical aquatic environmental hazards.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 21853 chemical partition coefficient (n-octanol-water) shake flask test
GB/T 29882 Miscellaneous dangerous substances and articles - Classification test method n-octanol/water partition coefficient
GB 30000.28 Classification and labelling of chemicals - Part 28. Harm to the aquatic environment
3 terms and definitions, abbreviations
3.1 Terms and definitions
The following terms and definitions defined in GB 30000.28 apply to this document.
3.1.1
Excess toxicity
Substance exhibits toxicity beyond the predicted value.
3.2 Abbreviations
The following abbreviations apply to this document.
BCF. Bioconcentration factor
Kow. n-octanol-water partition coefficient (n-octanol-waterpartitioncoefficient)
LFER. Linear free-energyrelationship
QSAR. Quantitative structure-activityrelationship
4 Test factors that lead to underestimation of risk
4.1 Non-electrolytic substances
Some non-electrolytic substances are more toxic than QSAR predictions unless the test results are small. These tests
Test factors, such as hydrocarbons that are easily volatilized during the test, as well as strong hydrophobic compounds in the acute toxicity test due to testing
Insufficient deficiencies make it difficult to achieve a steady state between the aqueous phase concentration (aquarium test solution) and the concentration of the internal hydrophobic site that produces an anesthetic effect. only
To establish this balance during the test time, the relationship between lgKow and lgC of the low reactivity non-electrolytic material is linear. this
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