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GB/T 33057-2022 English PDF

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GB/T 33057-2022: Methods for sampling and sample preparation of waste chemicals
Status: Valid

GB/T 33057: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 33057-2022359 Add to Cart 4 days Methods for sampling and sample preparation of waste chemicals Valid
GB/T 33057-2016399 Add to Cart 3 days Sampling method of discarded chemicals Obsolete

Similar standards

GB/T 33761   GB/T 32881   GB/T 32161   GB/T 32151.39   GB/T 32151.35   

Basic data

Standard ID: GB/T 33057-2022 (GB/T33057-2022)
Description (Translated English): Methods for sampling and sample preparation of waste chemicals
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z04
Classification of International Standard: 13.030.01
Word Count Estimation: 18,180
Date of Issue: 2022-12-30
Date of Implementation: 2023-07-01
Older Standard (superseded by this standard): GB/T 33057-2016
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 33057-2022: Methods for sampling and sample preparation of waste chemicals

---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.
ICS 13.030.01 CCSZ04 National Standards of People's Republic of China Replacing GB/T 33057-2016 Sampling method for waste chemicals Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

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 for Standardization Documents" drafting. This document replaces GB/T 33057-2016 "Sampling Methods for Waste Chemicals". Compared with GB/T 33057-2016, except for structural adjustment In addition to editorial changes, the main technical changes are as follows. a) the name of the standard has been changed; b) Added the terms "small sample", "large sample", "sample preparation", "mechanical sample preparation" and their definitions (see 3.6, 3.7, 3.8, 3.9); c) Changed the "safety measures" requirements (see Chapter 4, Chapter 5 of the.2016 edition); d) Requirements related to "sample preparation" have been added (see Chapter 6). Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee on Disposal of Waste Chemicals (SAC/TC294). This document is drafted by. Jiangxi Nuclear Industry Environmental Protection Center, GEM Co., Ltd., Shenzhen Environmental Protection Technology Group Co., Ltd. Company, Hangzhou Greenda Electronic Materials Co., Ltd., Shenzhen Zhunuo Testing Co., Ltd., Chongqing Shengqing Water Treatment Technology Co., Ltd., Weifang Menjie Chemical Co., Ltd., Guangdong Bangpu Recycling Technology Co., Ltd., SDIC Xinjiang Lop Nur Potassium Salt Co., Ltd., Zhejiang Lvye Water Purifier Technology Co., Ltd., CNOOC Tianjin Chemical Research and Design Institute Co., Ltd. The main drafters of this document. Wang Honghai, Wei Qiong, Peng Juan, Yin Yunjian, Fan Shaofeng, Wang Mingdong, Liu Quanjun, Yu Haijun, Yang Yuming, Ruan Haibin, Gong Chuangzhou, Yang Lin, Xu Kaihua, Wen Yanshen, Chen Yuying, Zhong Lei, An Xiaoying, Ding Ling, Zhang Xuemei, Li Jingfang, Xie Yinghao, Li Changdong. This document was first published in.2016, and this is the first revision. Sampling method for waste chemicals

1 Scope

This document specifies the safety measures, sampling, sample preparation and process control for waste chemical sampling and sample preparation. This document is applicable to the sampling and sample preparation of waste chemicals. This document does not apply to waste explosives, waste gases and waste aerosols (also known as "aerosols").

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 2007.1-1987 General rules for sampling and sample preparation of bulk mineral products Manual sampling method GB/T 3723 General Rules for Sampling Safety of Industrial Chemical Products GB 5085.7 General Rules for Hazardous Waste Identification Standards GB/T 6680-2003 General Rules for Sampling of Liquid Chemical Products GB/T 29329 Terminology of Waste Chemicals HJ/T 298-2019 Technical Specification for Hazardous Waste Identification

3 Terms and Definitions

GB/T 2007.1-1987, GB/T 29329 and the following terms and definitions apply to this document. 3.1 batch Waste chemicals with the same source, the same properties, and basically the same composition. 3.2 batch lot Quantity of a batch of waste chemicals. 3.3 Increment Waste chemicals obtained in one operation. 3.4 incrementquantity The mass or volume of waste chemical that constitutes an incremental sample. 3.5 Sample number samplenumber The number of incremental samples taken from a batch of waste chemicals. 3.6 small sample smalsample A sample composed of two or more partial samples in a batch or after crushing and shrinking one by one.
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