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GB/T 9734-2008: Chemical reagent -- General method for the determination of aluminium
Status: Valid GB/T 9734: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 9734-2008 | English | 149 |
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Chemical reagent -- General method for the determination of aluminium
| Valid |
GB/T 9734-2008
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| GB/T 9734-1988 | English | 199 |
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Chemical reagent--General method for the determination of aluminium
| Obsolete |
GB/T 9734-1988
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PDF similar to GB/T 9734-2008
Basic data | Standard ID | GB/T 9734-2008 (GB/T9734-2008) | | Description (Translated English) | Chemical reagent -- General method for the determination of aluminium | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G60 | | Classification of International Standard | 71.040.30 | | Word Count Estimation | 5,582 | | Date of Issue | 2008-05-15 | | Date of Implementation | 2008-11-01 | | Older Standard (superseded by this standard) | GB/T 9734-1988 | | Quoted Standard | GB/T 602; GB/T 603; GB/T 6682; GB/T 9721 | | Adopted Standard | ISO 6353-1-1982, NEQ | | Regulation (derived from) | National Standard Approval Announcement 2008 No.8 (Total No.121) | | 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 use Rose acid ammonium (aluminum reagent) and Chromazurol S colorimetric method for the determination of aluminum in common. Rose acid ammonium (aluminum reagent) spectrophotometric detection range 0. 4��g/mL ~ 2��g/mL (as Al), visual colorimetric detection range 0. 2��g/mL ~ 2��g/mL (in Al), chromazurol S spectrophotometric detection range 0. 01��g/mL ~ 0. 2��g/mL (as Al), visual colorimetric detection range 0. 008��g/mL ~ 0. 2��g/mL (in Al meter). | GB/T 9734-2008: Chemical reagent -- General method for the determination of aluminium---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. General method for the determination of aluminium
ICS 71.040.30
G60
National Standards of People's Republic of China
Replacing GB/T 9734-1988
General Method for Determination of Chemical Reagents aluminum
(ISO 6353-1. 1982, Reagentsforchemicalanalysis-
Part 1. Generaltestmethods, NEQ)
Posted 2008-05-15
2008-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard and ISO 6353-1. 1982 "Chemical analysis of reagent --- Part 1. General test method" non-equivalent.
This standard replaces GB/T 9734-1988 "Determination of aluminum Chemicals General Method", compared with the GB/T 9734-1988 major changes
as follows.
--- Increased Chromazurol S Determination of aluminum (Excerpts Chapter 1, 3.2).
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. Guangzhou Chemical Reagent Factory.
The main drafters of this standard. Yu Xiaoqi, Fuqiong Lian, Liu Chao Yuan.
This standard was first published in 1988.
General Method for Determination of Chemical Reagents aluminum
1 Scope
This standard specifies the Rose tricarboxylic acid ammonium (aluminum reagent) and chromium azure S colorimetric determination of aluminum in the general method. Rose tricarboxylic acid ammonium (aluminum reagent)
Spectrophotometric detection range of 0.4μg/mL ~ 2μg/mL (calculated as Al), visual colorimetric detection range of 0.2μg/mL ~
2μg/mL (calculated as Al); Chromium Azure S spectrophotometric detection range of 0.01μg/mL ~ 0.2μg/mL (calculated as Al), visual colorimetry
The detection range of 0.008μg/mL ~ 0.2μg/mL (calculated as Al).
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.
GB/T 602 Determination of impurities in chemical reagents prepared standard solution (GB/T 602-2002, ISO 6353-1. 1982, NEQ) with
GB/T 603 chemical reagent test method Preparations of articles (GB/T 603-2002, ISO 6353-1 with. 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
3 PRINCIPLE OF THE METHOD
Rose 3.1 tricarboxylic acid ammonium (aluminum reagent) colorimetry
Acetic acid medium at a pH of 4-5, aluminum does generate and Rose-tricarboxylic acid ammonium chelate red sparingly soluble, can be used for aluminum spectrophotometrically
Or visual colorimetric assay method. Added protective colloid solution allows stable color.
3.2 Chromium Azure S colorimetry
At a pH of about 6 acid medium, aluminum and chrome azure S and cetyl trimethyl ammonium bromide generated blue complex can be used
Aluminum spectrophotometry or visual colorimetric assay.
4 Reagents and materials
This standard is used in the standard solution, preparations and products, according to GB/T 602, the provisions of GB/T 603 preparation, test water should be consistent
GB/T 6682 specifications in three of water.
5 Instruments
5.1 General laboratory equipment.
5.2 Spectrophotometer. comply with GB/T 9721's.
6 Determination
Rose 6.1 tricarboxylic acid ammonium (aluminum reagent) colorimetry
Sampling according to product standards and the preparation of the test solution (if necessary, the test solution was adjusted to neutral). Of 10mL test solution, add 1mL in acetic acid
Liquid (mass fraction 30%), 1mL ascorbic acid solution (100g/L), shake, add 10mL of acetic acid - ammonium acetate buffer solution (pH value 4 ~
5), shake, add 3mL Rose tricarboxylic acid ammonium solution (0.5g/L), diluted to 25mL, shake, place 15min. Red and standard solution was
Prospective comparative colorimetric solution.
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