GB/T 625-2024 English PDFUS$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 625-2024: Chemical reagent - Sulfuric acid Status: Valid GB/T 625: Historical versions
Basic dataStandard ID: GB/T 625-2024 (GB/T625-2024)Description (Translated English): Chemical reagent - Sulfuric acid Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G62 Classification of International Standard: 71.040.30 Word Count Estimation: 10,152 Date of Issue: 2024-09-29 Date of Implementation: 2025-04-01 Older Standard (superseded by this standard): GB/T 625-2007 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 625-2024: Chemical reagent - Sulfuric acid---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.Chemical reagent-Sulfuric acid Chemical reagent sulfuric acid ICS 71.040.30 CCS G62 National Standard of the People's Republic of China Replaces GB/T 625-2007 Released on 2024-09-29 2025-04-01 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 625-2007 "Chemical Reagent Sulfuric Acid". Compared with GB/T 625-2007, except for structural adjustment and editing In addition to the changes in performance, the main technical changes are as follows. The analytical purity requirement for iron was changed from “≤0.000 05%” to “≤0.000 04%” (see Chapter 5,.2007). 4 of the.2002 edition); The analytical purity requirement for arsenic has been changed from “≤0.000 003%” to “≤0.000 002%” (see Chapter 5, Chapter 4 of the.2007 edition); The determination methods of color and nitrate have been changed (see 6.3, 6.6, 5.3, 5.6 of the.2007 edition); - Added the determination method of copper and lead by inductively coupled plasma atomic emission spectrometry (see 6.9.1); - The determination methods of anodic stripping voltammetry for copper and lead have been deleted (see 5.9.1 and 5.11.1 of the.2007 edition); - Changed the reference method for arsenic determination (see 6.10, 5.10 of the.2007 edition); - The packaging and labeling have been changed (see Chapter 8, Chapter 7 of the.2007 edition). - 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 Chemical Reagents Subcommittee of the National Technical Committee for Chemical Standardization (SAC/TC 63/SC 3). This document was drafted by. Suzhou Pengran Technology Co., Ltd., Shandong Jingbo Petrochemical Co., Ltd., Guangdong Hongrui Energy Technology Co., Ltd. Co., Ltd., Shandong Huifeng Petrochemical Group Co., Ltd., Shandong Product Quality Inspection Institute, Beijing Chemical Reagent Research Institute Co., Ltd. Hunan Huihong Reagent Co., Ltd., Zhejiang Shangneng Industrial Co., Ltd., Shandong Kenli Petrochemical Group Co., Ltd., Shenzhen Banmingke Technology Co., Ltd. The main drafters of this document are. Qiu Ailing, Fan Xiaoming, Liu Hui, Zhang Shuping, Ma Qinghua, Li Haitao, Zhang Ai, Tan Shanhe, Zhao Jifei, Wang Yuhua, Han Baoying, Zhu Sihao, Ruan Yuefeng, Zhang Ningbo, Xing Maosen, Liu Hongyan, Zhang Jianping, Zou Huiling, Sun Xueling, Huang Zhiqi. This document was first issued in 1965, revised for the first time in 1977, revised for the second time in 1989, and revised for the third time in.2007. Fourth revision. Chemical reagent sulfuric acid WARNING. Some of the test procedures specified in this document may result in hazardous situations and it is the user's responsibility to take appropriate safety and health measures.1 ScopeThis document specifies the properties, technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent sulfuric acid. This document applies to the inspection of the chemical reagent sulfuric acid. Note. The molecular formula of chemical reagent sulfuric acid is H2SO4, the relative molecular mass is 9 8.0 7 (according to the 2022 International Relative Atomic Mass), and the CAS number is 7664﹘93﹘9.2 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 601 Preparation of standard titration solutions for chemical reagents GB/T 602 Preparation of standard solutions for determination of impurities in chemical reagents GB/T 603 Preparation of preparations and products used in chemical reagent test methods GB/T 605 General method for colorimetric determination of chemical reagents GB/T 610-2008 General method for determination of arsenic in chemical reagents GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 9723-2007 General rules for flame atomic absorption spectrometry of chemical reagents GB/T 9739 General method for determination of iron in chemical reagents GB/T 9741-2008 General method for determination of ignition residue of chemical reagents GB 15258 Provisions for the preparation of chemical safety labels GB 15346 Chemical reagent packaging and marking GB/T 23942-2009 General rules for inductively coupled plasma atomic emission spectrometry of chemical reagents HG/T 3921 Chemical Reagent Sampling and Acceptance Rules JT/T 617.3-2018 Rules for the Road Transport of Dangerous Goods Part 3.Index of Product Name and Transport Requirements3 Terms and definitionsThere are no terms or definitions that require definition in this document.4 PropertiesSulfuric acid is a colorless, transparent liquid that is miscible with water or ethanol while releasing a large amount of heat. It quickly absorbs water when exposed to air.5 Technical requirementsThe technical requirements for sulfuric acid are shown in Table 1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 625-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 625-2024_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 625-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 625-2024_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 625-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 625-2024 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. |
