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GB/T 5059.3-2014: Ferromolybdenum -- Determination of copper content -- The flame atomic absorption spectrometric method
Status: Valid GB/T 5059.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5059.3-2014 | English | 169 |
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Ferromolybdenum -- Determination of copper content -- The flame atomic absorption spectrometric method
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GB/T 5059.3-2014
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| GB/T 5059.3-1985 | English | 199 |
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Methods for chemical analysis of ferromolybdenum--The atomic absorption spectrophotometric method for the determination of copper content
| Obsolete |
GB/T 5059.3-1985
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PDF similar to GB/T 5059.3-2014
Basic data | Standard ID | GB/T 5059.3-2014 (GB/T5059.3-2014) | | Description (Translated English) | Ferromolybdenum -- Determination of copper content -- The flame atomic absorption spectrometric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H11 | | Classification of International Standard | 77.100 | | Word Count Estimation | 7,785 | | Date of Issue | 6/9/2014 | | Date of Implementation | 1/1/2015 | | Older Standard (superseded by this standard) | GB/T 5059.3-1985 | | Quoted Standard | GB/T 4010 | | Regulation (derived from) | National Standards Bulletin No. 11 of 2014 | | Issuing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 flame atomic absorption spectrometry method for the determination of molybdenum iron copper content. This Standard applies to the determination of molybdenum iron copper content. Measuring range (mass fraction): 0. 10% to 1. 20 | GB/T 5059.3-2014: Ferromolybdenum -- Determination of copper content -- The flame atomic absorption spectrometric method
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Ferromolybdenum.Determination of copper content.The flame atomic absorption spectrometric method
ICS 77.100
H11
National Standards of People's Republic of China
Replacing GB/T 5059.3-1985
Determination of copper content of ferromolybdenum
Flame Atomic Absorption Spectrometry
Issued on. 2014-06-09
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 5059 "ferro molybdenum" is divided into the following sections.
--- Part 1. Determination of molybdenum iron molybdenum content of lead molybdate gravimetric method, ammonium metavanadate titration and 8-hydroxyquinoline gravimetric method;
--- Part 2. Determination of antimony content ferromolybdenum malachite green spectrophotometry;
--- Part 3. Determination of Fe, Cu, Mo Flame atomic absorption spectrometric method;
--- Part 5. Determination of silicon content ferromolybdenum sulfuric acid dehydration gravimetric method and silicon molybdenum blue spectrophotometric method;
--- Part 6. Determination of phosphorus content of iron molybdenum bismuth phosphomolybdate blue spectrophotometric method and the molybdenum blue spectrophotometric method;
--- Part 7. Determination of carbon content ferromolybdenum The infrared absorption method;
--- Part 9. molybdenum iron sulfur content Infrared absorption method and combustion iodometric method.
This section GB/T 5059 Part 3.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 5059.3-1985 "chemical analysis of ferromolybdenum The atomic absorption spectrophotometric determination of copper content." This portion
GB/T 5059.3-1985 compared to, in addition to editorial changes, the major technical changes are as follows.
--- Increased Chapters 2 and 10 chapters;
--- Increase the minimum requirements for precision instruments;
--- Change the method of preparation of iron solution;
--- The sample solution was diluted to a volume change from the original 100mL 200mL;
--- Change the calibration curve from the original volume of the solution was diluted to 100mL 200mL.
This section proposes Central Iron and Steel Industry Association.
This part of pig iron and ferroalloy by the National Standardization Technical Committee (SAC/TC318) centralized.
This section is drafted. Sinosteel Jilin Ferroalloy Co., Ltd.
The main drafters of this section. phosphorus, copper Yuan Ping, Gu Xin, high Yumin, Wang Zhe.
This part of the standard replaces the previous editions are.
--- GB/T 5059.3-1985.
Determination of copper content of ferromolybdenum
Flame Atomic Absorption Spectrometry
Warning. Use of this section shall be a person experiences regular laboratory work. This section does not indicate that all possible security issues.
Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
1 Scope
GB/T 5059 This section specifies the method of flame atomic absorption spectrometric method for the determination of copper content in ferromolybdenum.
This section applies to the determination of copper content in ferromolybdenum. Measurement range (mass fraction). 0.10% to 1.20%.
2 Normative references
The following documents for the application of this document is essential, dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 4010 alloy chemical analysis and preparation of samples
Principle 3
Sample with sulfuric acid, nitric acid decomposition, sulfuric acid treatment white smoke. With hydrochloric acid to dissolve soluble salts, atomic absorption spectrometer, the wavelength
324.7nm at the air - acetylene flame, copper hollow cathode lamp as the light source, absorbance was measured by a calibration curve in a sample of copper
content.
4 Reagents and materials
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled water or its equivalent purity water.
Hydrogen peroxide 4.1, ρ = 1.10g/mL.
Nitric acid 4.2, ρ = 1.42g/mL.
Hydrochloric acid 4.3, ρ = 1.19g/mL.
Sulfuric acid 4.4, ρ = 1.84g/mL.
4.5 nitric acid, 11.
4.6 hydrochloric acid, 11.
4.7 hydrochloric acid, 150.
4.8 sulfuric acid, 11.
4.9 iron solution, 20mg/mL.
Weigh 20g benchmark iron (mass fraction of 99.99%), placed in a beaker of 500mL, 200mL added hydrochloric acid (11), low temperature
Dissolved by heating until completely dissolved, cooled to room temperature and transferred to 1L volumetric flask, dilute with water to volume, and mix. This solution 1mL iron
20mg.
4.10 copper standard solution, 0.50mg/mL.
Weigh 0.5000g copper (mass fraction of 99.99%), placed in 300mL beaker, covered table dish, add 10mL sulfuric acid
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