GB/T 23950-2024 English PDFUS$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 23950-2024: General methods for the determination of heavy metals in inorganic chemical products Status: Valid GB/T 23950: Historical versions
Basic dataStandard ID: GB/T 23950-2024 (GB/T23950-2024)Description (Translated English): General methods for the determination of heavy metals in inorganic chemical products Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G10 Classification of International Standard: 71.060.01 Word Count Estimation: 12,181 Date of Issue: 2024-07-24 Date of Implementation: 2025-02-01 Older Standard (superseded by this standard): GB/T 23950-2009 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 23950-2024: General methods for the determination of heavy metals in inorganic chemical products---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. General methods for the determination of heavy metals in inorganic chemical products General method for determination of heavy metals in inorganic chemical products General methods for the determination of heavy metals in inorganic chemical products ICS 71.060.01 CCS G10 National Standard of the People's Republic of China Replace GB/T 23950-2009 Released on 2024-07-24 2025-02-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis 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 is required. This document replaces GB/T 23950-2009 "General method for determination of heavy metals in inorganic chemical products". Compared with GB/T 23950-2009, In addition to structural adjustments and editorial changes, the main technical changes are as follows. Changed the “Scope” (see Chapter 1, Chapter 1 of the.2009 edition); a) Added "Sample Processing" (see Chapter 5); b) Added "Inductively coupled plasma optical emission spectrometry" (see 6.2). c) Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Technical Committee on Chemical Standardization (SAC/TC 63). This document was drafted by. Zhejiang Dayang Biotechnology Group Co., Ltd., GEM Co., Ltd., Zhejiang Huayou Cobalt Co., Ltd. Co., Ltd., Hubei Xingfa Chemical Group Co., Ltd., Ningxia Ruitai Technology Co., Ltd., Liaoning Xinmei Chemical Research Institute Co., Ltd. Co., Ltd., Henan Xinlianxin Fertilizer Testing Co., Ltd., Jiyuan Lutai Nanomaterials Co., Ltd., Longbai Group Co., Ltd., Hubei Yihua Phosphorus Chemical Industry Co., Ltd., Qinghai Salt Lake Research Institute of the Chinese Academy of Sciences, Srir Environmental Technology Co., Ltd., State Investment Xinjiang Lop Nur Potash Co., Ltd. Limited Liability Company, Shandong Xinhua Silica Gel Co., Ltd., Qinghai Chuangxin Electronic Materials Co., Ltd., Jiangxi Nuclear Industry Xingzhong New Materials Co., Ltd., Wudi Xinyue Chemical Group Co., Ltd. and CNOOC Tianjin Chemical Research and Design Institute Co., Ltd. The main drafters of this document are. Xia Jing, Wei Qiong, Lei Yangui, Liu Li, Fan Changchun, Zhang Jiajun, Zhu Zhili, Qi Lei, Sun Liang, Leng Hui, Ma Xiuzhen, Liang Jinhua, Li Shoujiang, Qiu Xingdong, Zhang Peng, Zhu Wenchao, Zhang Xiangyang, Gong Chuangzhou, Wang Guoping, Xu Kaihua, Qian Zhengyang, Wang Hua, Wang Lianzhi, Lou Xiaojie, Li Dongxing, Hu Xiaming, Zhang Kun, Zhang Yuansong, An Xiaoying, Ding Ling, and Zhang Kai. This document was first published in.2009 and this is the first revision. General method for determination of heavy metals in inorganic chemical products Warning - Some of the reagents used in this document are hazardous and must be handled with caution. Personnel using this document should have formal laboratory experience. This document does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health precautions. And ensure that the conditions stipulated by relevant national laws and regulations are met.1 ScopeThis document gives the general provisions and sample preparation methods for the general method for the determination of heavy metals in inorganic chemical products. Method for determination of heavy metal content in foods. This document is applicable to the determination of heavy metal content in inorganic chemical products.2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 6682-2008 Specifications and test methods for water used in analytical laboratories GB/T 30902-2014 Determination of impurity elements in inorganic chemical products - Inductively coupled plasma optical emission spectrometry (ICP﹘OES) HG/T 3696.2 Preparation of standard solutions, preparations and products for chemical analysis of inorganic chemical products Part 2.Standard solutions for impurities Preparation of liquid HG/T 3696.3 Preparation of standard solutions, preparations and products for chemical analysis of inorganic chemical products Part 3.Preparations and products Preparation3 Terms and definitionsThere are no terms or definitions that require definition in this document.4 General ProvisionsThe reagents and water used in this document, unless otherwise specified, refer to analytically pure reagents and those specified in GB/T 6682-2008. The impurity standard solutions, preparations and products used in the test, unless otherwise specified, shall be in accordance with HG/T 3696.2 and Prepared in accordance with the provisions of HG/T 3696.3. 5.Sample processing Treat according to the method specified in 7.3 of GB/T 30902-2014. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23950-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 23950-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 23950-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 23950-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 23950-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23950-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
