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GB/T 654-2011: Chemical reagents barium carbonate
Status: Valid GB/T 654: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 654-2011 | English | 229 |
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3 days [Need to translate]
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Chemical reagents barium carbonate
| Valid |
GB/T 654-2011
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| GB/T 654-1999 | English | 319 |
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3 days [Need to translate]
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Chemical reagent-- Barium carbonate
| Obsolete |
GB/T 654-1999
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| GB/T 654-1977 | English | RFQ |
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3 days [Need to translate]
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Chemical reagents--Barium carbonate
| Obsolete |
GB/T 654-1977
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PDF similar to GB/T 654-2011
Basic data | Standard ID | GB/T 654-2011 (GB/T654-2011) | | Description (Translated English) | Chemical reagents barium carbonate | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G62 | | Classification of International Standard | 71.040.30 | | Word Count Estimation | 10,187 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-06-01 | | Older Standard (superseded by this standard) | GB/T 654-1999 | | Quoted Standard | GB/T 601; GB/T 602; GB/T 603; GB/T 609; GB/T 6682; GB/T 9723-2007; GB/T 9729; GB/T 9735-2008; GB/T 9736-2008; GB/T 9739; GB 15258; GB 15346; HG/T 3484; HG/T 3921 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 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 barium carbonate in chemical reagents, specifications, testing, inspection and marking and packaging rules. This standard applies to chemical test Jing in barium examination. | GB/T 654-2011: Chemical reagents barium carbonate---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 reagents barium carbonate
ICS 71.040.30
G62
National Standards of People's Republic of China
Replacing GB/T 654-1999
Chemicals barium carbonate
Issued on. 2011-12-30
2012-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB /"Chemicals barium carbonate", compared with the GB/T 654-1999 T 654-1999 main changes are as follows.
--- Clarity test specifications by a "qualified" to "No. 4", "6" (see Chapter 4, Chapter 4 of the 1999 edition);
--- Increasing the sodium, potassium and determination of two specifications (see Chapter 4, 5.9,5.10);
--- Alkalinity by the unit "mmol/100g" adjusted "mmol/g" (see Chapter 4, Chapter 4 of the 1999 edition);
--- Not canceled sulfate precipitate (1999 edition, Chapter 4, 5.12).
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. Beijing Yili Fine Chemicals Co., Ltd.
The main drafters of this standard. Zhao Yufeng, the Secretary Yurong.
This standard replaces the standards previously issued as follows.
--- GB/T 654-1965, GB/T 654-1977, GB/T 654-1999.
Chemicals barium carbonate
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.
Molecular formula. BaCO3
Molecular weight. 197.34 (according to 2007 international relative atomic mass)
1 Scope
This standard specifies the chemical reagent barium carbonate traits, specifications, testing, packaging and inspection rules and signs.
This standard applies to chemical agents in barium test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Preparation of GB/T 601 chemical reagent standard titration solution
Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents
GB/T 603 chemical reagent in test methods - Preparations with
GB/T 609 chemical reagent - General method for determination of total nitrogen
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 9723-2007 Chemicals flame atomic absorption spectrometry General
GB/T 9729 General method for determination of chloride Chemicals
GB/T 9735-2008 General method for determination of heavy metals Chemicals
GB/T 9736-2008 Determination of alkalinity and acidity Chemicals general method
GB/T 9739 General method for determination of iron chemical reagents
GB 15258 rules for preparation of chemical safety labels
GB 15346 chemical reagent packaging and marking
HG/T 3484 standard chemical reagents glass emulsion and clarity standards
HG/T 3921 Chemicals sampling and acceptance rules
3 Characters
This reagent is white powder, insoluble in water.
4 Specification
Barium carbonate as shown in Table 1.
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