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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 41685-2022 English PDF

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GB/T 41685-2022: Safety thresholds of Cd, Pb, Cr, Hg, As in soil for wheat production
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 41685-2022	English	129	Add to Cart	3 days [Need to translate]	Safety thresholds of Cd, Pb, Cr, Hg, As in soil for wheat production	Valid	GB/T 41685-2022

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Basic data

Standard ID	GB/T 41685-2022 (GB/T41685-2022)
Description (Translated English)	Safety thresholds of Cd, Pb, Cr, Hg, As in soil for wheat production
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	B10
Word Count Estimation	6,612
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 41685-2022: Safety thresholds of Cd, Pb, Cr, Hg, As in soil for wheat production

---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.
Safety thresholds of Cd, Pb, Cr, Hg, As in soil for wheat production ICS 13.080 CCSB10 National Standards of People's Republic of China Safely produced wheat Soil cadmium, lead, chromium, mercury, arsenic thresholds Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. Please note that some content of this document may involve patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This document is under the jurisdiction of the National Soil Quality Standardization Technical Committee (SAC/TC404). This document was drafted by. Northwest A&F University, Institute of Agricultural Resources and Agricultural Zoning, Chinese Academy of Agricultural Sciences, Guizhou University, China Nanjing Institute of Soil Science, Academy of Sciences, Jiangsu Institute of Quality and Standardization, Jiangsu Institute of Metrology, Ministry of Agriculture and Rural Affairs Resource Conservation Station, and the Agricultural Land Quality Monitoring and Protection Center of the Ministry of Agriculture and Rural Affairs. The main drafters of this document. Lv Jialong, Dai Yunchao, Liu Ke, Ma Yibing, He Wenxiang, Liang Dongli, Sun Benhua, Yang Xueyun, Chen Meiji, Sun Bo, Wang Xingxiang, Kong Xiaohan, Zhou Guangjun, Zheng Shunan, Zheng Lei. Safely produced wheat Soil cadmium, lead, chromium, mercury, arsenic thresholds

1 Scope

This document specifies the thresholds for soil cadmium, lead, chromium, mercury, and arsenic for safe wheat production, and describes the corresponding detection methods. This document is applicable to the evaluation and management of soil environmental quality for safe wheat production.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 17141 Determination of Soil Quality Lead and Cadmium Graphite Furnace Atomic Absorption Spectrophotometry GB/T 18834 Soil Quality Vocabulary GB/T 22105.1 Determination of Total Mercury, Total Arsenic and Total Lead in Soil Mass Atomic Fluorescence Method Part 1.Determination of Total Mercury in Soil GB/T 22105.2 Determination of total mercury, total arsenic and total lead in soil mass Atomic fluorescence method Part 2.Determination of total arsenic in soil HJ491 Determination of copper, zinc, lead, nickel and chromium in soil and sediments by flame atomic absorption spectrophotometry NY/T 395 Technical Specifications for Monitoring Farmland Soil Environmental Quality NY/T 1377 Determination of Soil pH

3 Terms and Definitions

GB/T 18834 and the following terms and definitions apply to this document. 3.1 threshold threshold Maximum limits for cadmium, lead, chromium, mercury, and arsenic in soils that ensure the safety of wheat grains to eat.

4 Threshold

The soil cadmium, lead, chromium, mercury, and arsenic thresholds for safe wheat production should meet the requirements in Table 1. Table 1 Soil cadmium, lead, chromium, mercury and arsenic thresholds for safe wheat production project Threshold/(mg/kg) pH≤5.5 5.5< pH≤6.5 6.5< pH≤7.5 pH >7.5 Cadmium 0.20 0.23 0.30 0.36 Lead 70 76 90 99 Chrome 140 150 175 190

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