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GB/T 688-2011: Chemical reagent -- Carbon tetrachloride
Status: Valid GB/T 688: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 688-2011 | English | 169 |
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Chemical reagent -- Carbon tetrachloride
| Valid |
GB/T 688-2011
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| GB/T 688-1992 | English | 199 |
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Chemical reagent--Carbon tetrachloride
| Obsolete |
GB/T 688-1992
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PDF similar to GB/T 688-2011
Basic data | Standard ID | GB/T 688-2011 (GB/T688-2011) | | Description (Translated English) | Chemical reagent -- Carbon tetrachloride | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G63 | | Classification of International Standard | 71.040.30 | | Word Count Estimation | 7,738 | | Date of Issue | 2011-05-12 | | Date of Implementation | 2011-12-01 | | Older Standard (superseded by this standard) | GB/T 688-1992 | | Quoted Standard | GB/T 601; GB/T 602; GB/T 603; GB/T 605; GB/T 606; GB/T 611-2006; GB/T 6682; GB/T 9721; GB/T 9722-2006; 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) | Announcement of Newly Approved National Standards No. 6 of 2011 | | 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 characteristics of carbon tetrachloride chemical reagents, specifications, testing, inspection and marking and packaging rules. This standard applies to chemical agents CTC test. | GB/T 688-2011: Chemical reagent -- Carbon tetrachloride---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. Carbon tetrachloride
ICS 71.040.30
G63
National Standards of People's Republic of China
Replacing GB/T 688-1992
Chemicals CTC
(ISO 6353-3. 1987, Reagentsforchemicalanalysis-
Part 3. Specifications-Secondseries, NEQ)
Issued on. 2011-05-12
2011-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard and ISO 6353-3. 1987 "Reagents for chemical analysis - Part 3. Specifications 2 Series" in R54 "CTC" unanimous
The degree of non-equivalent.
This standard replaces GB /"chemical agent carbon tetrachloride," compared with the GB/T 688-1992 T 688-1992 main changes are as follows.
--- Acidity of the unit by the "mmol/100g" adjusted "mmol/g" (1992 edition 3.4, this version of Chapter 4);
--- Project name "chlorine free" to "free chlorine (Cl)" (1992 edition 3.4, chapter 4 of this edition);
--- Modify the packaging and logo (1992 edition, Chapter 6, Section 7 of this 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. Beijing chemical plant.
The main drafters of this standard. Li Wenli.
This standard replaces the standards previously issued as follows.
--- GB/T 688-1965, GB/T 688-1979, GB/T 688-1992.
Chemicals CTC
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. CCl4
Molecular weight. 153.82 (according to 2007 international relative atomic mass)
1 Scope
This standard specifies the chemical reagent carbon tetrachloride traits, specifications, testing, packaging and inspection rules and signs.
This standard applies to chemical agents CTC test.
2 Normative references
The 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 with. 1982,
NEQ)
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 common method Karl Fischer method (GB/T 606-2003, ISO 6353-1. 1982,
NEQ)
GB/T 611-2006 Chemical reagent - General method for determining the density (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 9721 Chemicals General molecular absorption spectrophotometry (UV and visible part)
GB/T 9722-2006 General chemical reagent gas chromatography
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 rules
3 Characters
This reagent is colorless transparent liquid, insoluble in water, soluble in alcohol, ether and benzene.
4 Specification
CTC as shown in Table 1.
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