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GB/T 691-2012: Chemical reagent -- Aniline
Status: Valid GB/T 691: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 691-2012 | English | 139 |
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3 days [Need to translate]
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Chemical reagent -- Aniline
| Valid |
GB/T 691-2012
|
| GB/T 691-1994 | English | 199 |
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2 days [Need to translate]
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Chemical reagent. Aniline
| Obsolete |
GB/T 691-1994
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| GB 691-1977 | English | 199 |
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2 days [Need to translate]
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Chemical reagents--Aniline
| Obsolete |
GB 691-1977
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PDF similar to GB/T 691-2012
Basic data | Standard 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| G63 | | Classification of International Standard | 71.040.30 | | Word Count Estimation | 6,671 | | Older Standard (superseded by this standard) | GB/T 691-1994 | | Quoted Standard | GB/T 606; GB/T 618; GB/T 6682; GB/T 9722-2006; GB/T 9741-2008; GB 15258; GB 15346; HG/T 3921 | |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
Foreword
This 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 Scope
This 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 references
The 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 rules
3 Characters
This 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 Specification
Aniline 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 -
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