GB/T 42175-2022 English PDF

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GB/T 42175-2022: Determination of copper, lead, zinc, cadmium and chromium in the drilling cuttings and mud from ocean petroleum exploitation - Microwave digestion-inductively coupled plasma mass spectrometry method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42175-2022	199	Add to Cart	3 days	Determination of copper, lead, zinc, cadmium and chromium in the drilling cuttings and mud from ocean petroleum exploitation - Microwave digestion-inductively coupled plasma mass spectrometry method	Valid

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Basic data

Standard ID: GB/T 42175-2022 (GB/T42175-2022)
Description (Translated English): Determination of copper, lead, zinc, cadmium and chromium in the drilling cuttings and mud from ocean petroleum exploitation - Microwave digestion-inductively coupled plasma mass spectrometry method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z10
Classification of International Standard: 07.060; 13.020.40
Word Count Estimation: 10,159
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42175-2022: Determination of copper, lead, zinc, cadmium and chromium in the drilling cuttings and mud from ocean petroleum exploitation - Microwave digestion-inductively coupled plasma mass spectrometry method

---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 07.060;13.020.40 CCSZ10 National Standards of People's Republic of China Offshore oil exploration and development drilling mud and cuttings Determination of copper, lead, zinc, cadmium, chromium Microwave Digestion-Inductively Coupled Plasma Mass Spectrometry Posted on 2022-12-30 2023-04-01 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. 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 the Ministry of Natural Resources of the People's Republic of China. This document is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283). This document is drafted by. South China Sea Environmental Monitoring Center of the State Oceanic Administration, National Marine Environmental Monitoring Center, National Marine Standards and Measurement Center, The First Institute of Oceanography of the Ministry of Natural Resources and the Third Institute of Oceanography of the Ministry of Natural Resources. The main drafters of this document. Ni Zhixin, Wang Xiaomeng, Yuan Lei, Gu Hequan, Liu Ke, Yang Zhenxiong, Wang Lijun, Zhang Shuo, Chen Xin, Yu Tao, Huang Dekun, Lin Jing, Lu Chuqian, Wang Yuhong, Li Jingxi, He Qing, Chen Changshu, Dang Aicui, Liu Jingqin, Jin Ruifang, Ye Jianjun, Lu Yanru. Offshore oil exploration and development drilling mud and cuttings Determination of copper, lead, zinc, cadmium, chromium Microwave Digestion-Inductively Coupled Plasma Mass Spectrometry Warning --- Some reagents used in this document are toxic or corrosive, and some operations are dangerous. Who will use this document Practical experience in formal laboratory work is required. This document does not address all possible security issues. It is the user's responsibility to take appropriate safety Safety and health measures, and ensure compliance with the conditions stipulated in relevant national laws and regulations.

1 Scope

This document describes the use of microwave digestion-inductively coupled plasma mass spectrometry for the analysis of drilling mud and cuttings samples for offshore oil exploration and development. Laboratory determination methods for copper, lead, zinc, cadmium and chromium in medium. This document is applicable to the determination of copper, lead, zinc, cadmium and chromium in drilling mud and cuttings samples for offshore oil exploration and development.

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 6682 Analytical laboratory water specifications and test methods GB 17378.5-2007 Marine Monitoring Specification Part 5.Sediment Analysis

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Water-based mud with an oil content of less than 10% (mass fraction) for nearshore, offshore and far-sea oil exploration and development, and an oil content of less than 15% (mass fraction) number) of cuttings.

4 Principles of the method

After pretreatment, the drilling mud and cuttings samples were digested with nitric acid-hydrogen peroxide-hydrofluoric acid, and in dilute nitric acid medium, argon gas was used as the The carrier gas sends the sample into the nebulizer to form an aerosol, which is atomized in the plasma, and the interference ions are eliminated by the quadrupole collision/reaction cell. Calculate the content of each element in the sample based on the signal value generated by the detector and the sensitivity factor K value of the corresponding element.

5 Reagents or Materials

Unless otherwise stated, only reagents confirmed to be of superior grade were used in the analysis. 5.1 Water. Class II water specified in GB/T 6682 or water of equivalent purity. ......

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