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GB/T 23770-2009: Liquid inorganic chemical products -- General method for the measurement of colour
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23770-2009 | English | 279 |
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Liquid inorganic chemical products -- General method for the measurement of colour
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GB/T 23770-2009
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Basic data | Standard ID | GB/T 23770-2009 (GB/T23770-2009) | | Description (Translated English) | Liquid inorganic chemical products -- General method for the measurement of colour | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G10 | | Classification of International Standard | 71.060.01 | | Word Count Estimation | 12,152 | | Date of Issue | 2009-05-13 | | Date of Implementation | 2010-01-01 | | Quoted Standard | GB/T 601-2002; GB/T 6682-2008; HG/T 3696.3 | | Adopted Standard | ISO 2211-1973, MOD | | Regulation (derived from) | PRC National Standard Approval Announcement 2009 No.6 (Total No.146) | | 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 platinum-cobalt standard solution as the standard color, with visual colorimetric assay method common terms and definitions chromaticity, Method summary, safety tips, general provisions, reagents, instruments, equipment, analysis procedures and results discrimination. This standard applies to tone approaching platinum-cobalt standard solution clarified transparent, determination of inorganic chemical products colored liquid chroma. Use the standard colorimetric measurement, the detection limit of 4 Hazen units. | GB/T 23770-2009: Liquid inorganic chemical products -- General method for the measurement of colour
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Liquid inorganic chemical products. General method for the measurement of colour
ICS 71.060.01
G10
National Standards of People's Republic of China
Liquid inorganic chemical products
Chroma General method
[ISO 2211. 1973Liquidchemicalproducts-
MeasurementofcolourinHazenunits (platinum-cobaltscale), MOD]
Posted 2009-05-13
2010-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This revised standard adopts the international standard ISO 2211. 1973 (E) "liquid chemicals --- to Hazen (Hazen) units (platinum - cobalt scale
Degree) color measurement "(in English).
Adopting ISO 2211. When 1973 (E), made some changes in this standard, the relevant technical differences and structural differences have been incorporated into the text
In, and they relate to the terms of the margin of a single vertical line identification. Annexes B and C are given in these technical differences and
List of structural differences and the reasons for your reference.
Appendix A of this standard is a normative appendix, Appendix B and Appendix C are informative appendices.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee chemical inorganic chemicals Club (SAC/TC63/SC1) centralized.
This standard is mainly drafted by. Fluoride Chemicals Co., Ltd., CNOOC Tianjin Chemical Research & Design Institute, Tianjin Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. Shi Xiuhua, Guo Xianhui, Lusi Wei, Liu Shao from Lu Gang.
This standard is the first release.
Liquid inorganic chemical products
Chroma General method
1 Scope
This standard specifies the platinum - cobalt standard solution as the standard color, use of visual colorimetric determination of terms and definitions common methods of color, the method mentioned
To, safety tips, general provisions, reagents, instruments, equipment, procedures and results of discriminant analysis.
This standard applies to tone approaching platinum - cobalt clarify standards of transparent, light-colored liquid inorganic chemicals measured chromaticity. With the present standard
Chromaticity measured, a detection limit of 4 Hazen units.
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
Study whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Preparation of GB/T 601-2002 Chemical Reagent standard titration solution
GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)
Preparations of HG/T 3696.3 inorganic chemical products, chemical analysis
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Containing 1mg per liter to chloroplatinic acid (H2PtCl6) in the form of platinum and 2mg cobalt chloride hexahydrate (CoCl2 · 6H2O) platinum - cobalt solution
Color liquid.
4 Method summary
According to a certain proportion of chloroplatinic potassium, cobalt chloride and hydrochloric acid aqueous solution dubbed (Platinum - Cobalt standard solution), and the resulting solution of the sample under test tone
Tone products in most cases are similar, visually compare the samples with platinum - cobalt standard solution can be drawn chroma samples.
5 Safety Tips
Reagents used in this test method is corrosive, the operator must be careful! As splashed on the skin should immediately wash with water, Yan
In severe cases should be treated immediately.
6 General Provisions
This standard reagents and water in the absence of other requirements specified, refers to three analytical reagent and GB/T 6682-2008 specified in
water. Used in the test standard titration solution preparation, formulations and products prepared according to the provisions of HG/T 3696.3 according to GB/T 601 requirements.
7 Reagents
7.1 hydrochloric acid;
7.2 cobalt chloride hexahydrate;
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