GB/T 691-2012 English PDFUS$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 691-2012: Chemical reagent -- Aniline Status: Valid GB/T 691: Historical versions
Basic dataStandard ID: GB/T 691-2012 (GB/T691-2012)Description (Translated English): Chemical reagent -- Aniline Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G63 Classification of International Standard: 71.040.30 Word Count Estimation: 6,671 Older Standard (superseded by this standard): GB/T 691-1994 Quoted Standard: GB/T 606; GB/T 618; GB/T 6682; GB/T 9722-2006; GB/T 9741-2008; GB 15258; GB 15346; HG/T 3921 Regulation (derived from): National Standards Bulletin No. 41 of 2012 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 chemical reagent aniline traits, specifications, testing, inspection and marking and packaging rules. This standard applies to chemical reagents aniline test. GB/T 691-2012: Chemical reagent -- Aniline---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.ICS71.040.30 G63 National Standards of People's Republic of China Replacing GB/T 691-1994 Chemicals aniline Issued on. 2013-08-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard rule according to GB/T 1.1-2009 given draft. This standard replaces GB/T 691-1994 "Chemicals aniline", compared with the GB/T 691-1994 Main changes are as follows. --- Increased traits (see Chapter 3); --- Modify the method for the determination (see 52, 1994 version 4.1.); --- Modified nitrobenzene measuring method (see 55, 1994 version 4.3.2.); --- Modify the packaging and logo (see Chapter 7, Chapter 6, 1994 edition). 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 was drafted. Sinopharm Chemical Reagent Co., Ltd. The main drafters of this standard. Chenhao Yun, Zheng Qi, Shi Hong. This standard was first published in 1965, 1977 and first revised in 1994, the second amendment. Chemicals aniline 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. C6H5NH2 Molecular Weight. 93.13 (according to 2007 international relative atomic mass)1 ScopeThis standard specifies the chemical reagents aniline traits, specifications, testing, packaging and inspection rules and signs. This standard applies to chemical agents aniline test.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 606 Moisture chemical reagents common method Karl Fischer method GB/T 618 Chemicals determination of crystallizing point - General method Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 9722-2006 General chemical reagent gas chromatography GB/T 9741-2008 chemical reagents common determination of residue on ignition method GB 15258 rules for preparation of chemical safety labels GB 15346 chemical reagent packaging and marking HG/T3921 Chemicals sampling and acceptance rules3 CharactersThis reagent is colorless or light yellow transparent oily liquid with special smell, exposed in air or exposed to light become darker in color. Soluble in ethanol, Slightly soluble in water, a density of about 1.02g/mL.4 SpecificationAniline as shown in Table 1. Table 1 specifications of aniline Name AR chemically pure Content (C6H5NH2), w /% ≥99.5 ≥99.0 Crystallization point/℃ -6.0 ~ -6.5 -5.0 ~ -6.5 Residue on ignition (Sulfate), w /% ≤0.002 ≤0.005 Nitrobenzene, w /% ≤0.003 - Water (H2O), w /% ≤0.2 - ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 691-2012_English be delivered?Answer: Upon your order, we will start to translate GB/T 691-2012_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 691-2012_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 691-2012_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. 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Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
