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GB/T 23739-2009 PDF English

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GB/T 23739-2009: Soil quality -- Analysis of available lead and cadmium contents in soils -- Atomic absorption spectrometry
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GB/T 23739-2009English189 Add to Cart 3 days [Need to translate] Soil quality -- Analysis of available lead and cadmium contents in soils -- Atomic absorption spectrometry

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Basic data

Standard ID GB/T 23739-2009 (GB/T23739-2009)
Description (Translated English) Soil quality -- Analysis of available lead and cadmium contents in soils -- Atomic absorption spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Z18
Classification of International Standard 13.080.05
Word Count Estimation 8,862
Date of Issue 2009-05-12
Date of Implementation 2009-11-01
Regulation (derived from) Announcement of Newly Approved National Standards No. 6, 2009 (No. 146 overall)
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 effective state of the soil lead and cadmium by atomic absorption spectrometric method. This standard applies to effective state of the soil lead and cadmium. The effective state of lead in soil for flame atomic absorption spectrophotometry, soil available Cd content of more than 0. 5mg/kg for flame atomic absorption spectrophotometry, soil available Cd content in the following 0. 5mg/kg for graphite furnace atomic absorption spectrophotometry.

GB/T 23739-2009: Soil quality -- Analysis of available lead and cadmium contents in soils -- Atomic absorption spectrometry




---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.
Soil quality. Analysis of available lead and cadmium contents in soils. Atomic absorption spectrometry ICS 13.080.05 Z18 National Standards of People's Republic of China Determination of lead and cadmium in soil quality and effective state Atomic Absorption Spectrometry Posted 2009-05-12 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is proposed and managed by the People's Republic of China Ministry of Agriculture. This standard is mainly drafted by. Environmental Protection Institute of the Ministry of Agriculture. The main drafters of this standard. Liu Chi, Liu Ming, Cai Yanming, Yangyan Fang, XU Ya-ping, Liu Yan, Liu Baofeng, Xinhua war. Determination of lead and cadmium in soil quality and effective state Atomic Absorption Spectrometry

1 Scope

This standard specifies the soil available lead and cadmium in atomic absorption spectrometric method. This standard applies to soil available Pb and Cd determination. Soil AVAILABLE LEAD apply to flame atomic absorption spectrophotometry; Soil available Cd content of 0.5mg/kg or more suitable for flame atomic absorption spectrophotometry; soil available Cd content 0.5mg/kg The following applies to graphite furnace atomic absorption spectrophotometry. Principle 2 With DTPA (diethylenetriaminepentaacetic acid) extraction agent leached lead and cadmium in the soil, and crop the content of lead and cadmium have a higher absorption Correlation. DTPA can quickly generate a water-soluble compound of lead, cadmium and other ions in a special hollow cathode lamp illumination, gaseous gold in the ground state Metal atom absorption of a specific wavelength and the transition to a higher energy state level, the greater the number of atoms in the ground state optical path, characterized by its radiant energy Greater absorption and is proportional to the density of the atoms, and finally not be quantified according to the standard series.

3 Reagents

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