GB/T 690-2008 English PDFUS$139.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 690-2008: Chemical reagent -- Benzene Status: Valid GB/T 690: Historical versions
Basic dataStandard ID: GB/T 690-2008 (GB/T690-2008)Description (Translated English): Chemical reagent -- Benzene Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G63 Classification of International Standard: 71.40.30 Word Count Estimation: 6,630 Date of Issue: 2008-05-15 Date of Implementation: 2008-11-01 Older Standard (superseded by this standard): GB/T 690-1992 Quoted Standard: GB/T 601; GB/T 602; GB/T 603; GB/T 605; GB/T 606; GB/T 618; GB/T 6682; GB/T 9722-2006; GB/T 9728; GB/T 9736-2008; GB/T 9737; GB/T 9740; GB 15258; GB 15346; HG/T 3921 Adopted Standard: ISO 6353-3-1987, NEQ Regulation (derived from): National Standard Approval Announcement 2008 No.8 (Total No.121) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the traits chemicals benzene, specifications, trial, packaging and inspection rules and signs. This standard applies to test chemicals benzene. GB/T 690-2008: Chemical reagent -- Benzene---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. Benzene ICS 71.40.30 G63 National Standards of People's Republic of China Replacing GB/T 690-1992 Chemicals Benzene (ISO 6353-3. 1987, Reagentsforchemicalanalysis- Part 3. Specifications-Secondseries, NEQ) Posted 2008-05-15 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard and ISO 6353-3. 1987 "Chemical analysis of reagent --- Part 3. Specifications --- 2nd Series" in R48 "benzene" consistency Not equivalent. This standard replaces GB /, compared with GB/T 690-1992 main changes "Chemicals Benzene" T 690-1992 as follows. --- Acidity, alkalinity of the unit by the "mmol/100g" adjusted "mmol/g", and improved measuring method (1992 version 3.4, 4.4.2,4.4.3, edition Chapter 4, 5.7, 5.8); --- Easy carbonized substance analytically pure by the "Q/15" adjusted "Q/8" or "H/8", by the chemical pure "Q/7.5" adjusted "Q/4" or "H/4 " (1992 version 4.4.4, this version 5.9). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Chemistry Chemicals Branch (SAC/TC63/SC3) centralized. This standard is drafted by. Lee Longbo China (Tianjin) Pharmaceutical Chemical Co., Ltd. Yixing City, the second chemical reagent factory. The main drafters of this standard. Wang Jing, Lu Ximing. This standard was first published in 1965, in 1977 and first revised in 1992, the Second Amendment. Chemicals Benzene Warning. some of the test procedure specified in this standard can lead to dangerous situations, the user has the responsibility to take appropriate safety and health practices. Exemplary formula. C6H6 Molecular Weight. 78.11 (according to 2005 international relative atomic mass)1 ScopeThis standard specifies the characteristics, specifications, testing, inspection rules, logo and packaging and chemical reagents in benzene. This standard applies to testing chemical reagent benzene.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Preparation of GB/T 601 chemical reagent standard titration solution GB/T 602 Determination of impurities in chemical reagents prepared standard solution (GB/T 602-2002, ISO 6353-1. 1982, NEQ) with GB/T 603 chemical reagent test method Preparations of articles (GB/T 603-2002, ISO 6353-1 with. 1982, NEQ) GB/T 605 chemical reagent Chroma General method (GB/T 605-2006, ISO 6353-1. 1982, NEQ) GB/T 606 chemical reagent Moisture general method (Karl Fischer method) (GB/T 606-2003, ISO 6353-1. 1982, NEQ) GB/T 618 chemical reagent determination of crystallizing point - General method (GB/T 618-2006, ISO 6353-1. 1982, NEQ) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 9722-2006 General chemical reagent gas chromatography GB/T 9728 General method for determination of chemical reagents sulfate (GB/T 9728-2007, ISO 6353-1. 1982, NEQ) GB/T 9736-2008 Determination of chemical reagents acidity and alkalinity general method (ISO 6353-1. 1982, NEQ) GB/T 9737 Determination of chemical reagents easily carbonized substances General (GB/T 9737-2008, ISO 6353-1. 1982, NEQ) GB/T 9740 General chemical reagent evaporation residue determination method (GB/T 9740-2008, ISO 6353-1. 1982, NEQ) GB 15258 rules for preparation of chemical safety labels GB 15346 chemical reagent packaging and marking HG/T 3921 Chemicals sampling and acceptance rules3 CharactersThis reagent is colorless transparent liquid, insoluble in water, with alcohol, ether, acetone, carbon tetrachloride miscible flammable.4 SpecificationSpecifications benzene Table 1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 690-2008_English be delivered?Answer: Upon your order, we will start to translate GB/T 690-2008_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 690-2008?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 690-2008 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. |