GB/T 29882-2013 English PDF

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GB/T 29882-2013: Testing method for classification of hazardous materials -- Partition coefficient of 1-octanol/water
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29882-2013	259	Add to Cart	3 days	Testing method for classification of hazardous materials -- Partition coefficient of 1-octanol/water	Valid

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Basic data

Standard ID: GB/T 29882-2013 (GB/T29882-2013)
Description (Translated English): Testing method for classification of hazardous materials -- Partition coefficient of 1-octanol/water
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A80
Classification of International Standard: 13.300
Word Count Estimation: 11,189
Adopted Standard: OECD No.123-2006, NEQ
Regulation (derived from): National Standards Bulletin No. 22 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the test principle transport of dangerous goods Miscellaneous dangerous substances and articles of n-octanol/water partition coefficient, test methods, test procedures, test results, the data and conclusions of the report. This sta

GB/T 29882-2013: Testing method for classification of hazardous materials -- Partition coefficient of 1-octanol/water

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Testing method for classification of hazardous materials. Partition coefficient of 1-octanol/water ICS 13.300 A80 National Standards of People's Republic of China Classification of dangerous substances and test methods for materials miscellaneous items N-octanol/water partition coefficient Issued on. 2013-11-12 2014-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The Standards and Organisation for Economic Co-operation and Development (OECD) guidelines for testing of chemicals No.123 (2006) "distribution coefficient (n-octanol/water). Slow Slow stirring method "(in English) are basically the same content. The Standard and Testing of Chemicals OECD Guidelines No.123 compared with the following differences. --- According to GB/T 1.1-2009 for Testing of Chemicals OECD Guidelines No.123 made editorial changes; --- Increase the preamble. This standard is managed by the National Standardization Technical Committee chemicals dangerous (SAC/TC251) and focal points. This standard was drafted. Hunan Entry-Exit Inspection and Quarantine Technology Center, Tianjin CIQ, Jiangnan University, ring Ministry of Environmental Protection Chemical Registration Center. The main drafters of this standard. Wangli Bing, the new Liu Chun, Wang Hua, Li Xue Yang, Wang Xiaobing, Zhao Lihua, Han Wei, Yanya Dan, Cailei Ming, Song Mei Hou, Liu Yang, high Guihua. Classification of dangerous substances and test methods for materials miscellaneous items N-octanol/water partition coefficient

1 Scope

This standard specifies the n-octanol/water partition coefficient of the test principle, test methods for transport of dangerous goods Miscellaneous dangerous substances and articles, Test procedures, test results and conclusions of the report data. This standard applies to test methods for stirring octanol/water partition coefficient of determination of pure organic compounds with a slow, suitable for n-octyl Alcohol/water partition coefficient of determination of value lgPOW compound between 5 and 8.2 of the POW value.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Partition coefficient partitioncoefficient Than the equilibrium concentration of dissolved substances and do not reach the two-phase medium. 2.2 N-octanol/water partition coefficient of 1-octanol/waterpartitioncoefficient Substance in n-octanol/water two-phase medium than concentrations reach equilibrium in POW expressed. POW dimensionless, usually base 10 Logarithm (lgPOW) represented.

3 Test principle

Under a constant temperature, after the test substance in the system n-octanol and an aqueous phase consisting of the interaction of an equilibrium state, the test substance is determined in two Phase concentration calculated partition coefficient of the test substance. Test test substance, n-octanol and water should be heated slowly by stirring in a reaction vessel Mixing equilibrium state (stirring speed can accelerate exchange between the different phases). Test Method 4 4.1 test substance 4.1.1 The test substance should be pure substance; chemical reagents used should be analytical grade or higher purity. 4.1.2 The test substance should be known chemical composition, it is best recommended test substance purity of more than 99%, or known to determine the chemical composition and playback Radio chemical purity of the radiolabelled test substance. If you use a shorter half-life tracers, decay should be amended. If it is radioactive Isotope-labeled test substance should be used in specific chemical analytical methods for testing to determine the total dose of radiation directly with the test substance Correlation. 4.1.3 Before conducting the test, can be applied to commercial software or test substance solubility ratio in both solvents to partition coefficients Pre-estimates. 4.1.4 Before conducting the test, the test substance should be given information includes. --- Chemical and structural formula; ......

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