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GB/T 3260.7-2013: Methods for chemical analysis of tin -- Part 7: Determination of aluminium content -- Electrothermal atomic absorption spectrometric method
Status: Valid GB/T 3260.7: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3260.7-2013 | English | 139 |
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Methods for chemical analysis of tin -- Part 7: Determination of aluminium content -- Electrothermal atomic absorption spectrometric method
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GB/T 3260.7-2013
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| GB/T 3260.7-2000 | English | 199 |
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Methods for chemical analysis of tin. Determination of bismuth content
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GB/T 3260.7-2000
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| GB/T 3260.7-1982 | English | RFQ |
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Chemical analysis of tin--The chromazurol S photometric method for determination of aluminum
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GB/T 3260.7-1982
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PDF similar to GB/T 3260.7-2013
Basic data | Standard ID | GB/T 3260.7-2013 (GB/T3260.7-2013) | | Description (Translated English) | Methods for chemical analysis of tin -- Part 7: Determination of aluminium content -- Electrothermal atomic absorption spectrometric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.60 | | Word Count Estimation | 6,697 | | Older Standard (superseded by this standard) | GB/T 3260.7-2000 | | Regulation (derived from) | National Standards Bulletin No. 25 of 2013 | | Issuing agency(ies) | General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 method for the determination of tin by electrothermal atomic absorption spectrometry aluminum content. This standard applies to the determination of the amount of aluminum tin. Measuring range of 0. 00030% -0. 0040%. | GB/T 3260.7-2013: Methods for chemical analysis of tin -- Part 7: Determination of aluminium content -- Electrothermal atomic absorption spectrometric method
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Methods for chemical analysis of tin Part 7... Determination of aluminium content Electrothermal atomic absorption spectrometric method
ICS 77.120.60
H13
National Standards of People's Republic of China
Replacing GB/T 3260.7-2000
Chemical analysis of tin
Part 7. Determination of aluminum content
Electrothermal atomic absorption spectrometry
Part 7. Determinationofaluminiumcontent-
Issued on. 2013-12-17
2014-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 3260 "Methods for chemical analysis of tin" is divided into 14 parts.
--- Part 1. Determination of copper content - Flame atomic absorption spectrometry;
--- Part 2. Determination of iron content - 1,10-phenanthroline spectrophotometry;
--- Part 3. Determination of bismuth content of potassium iodide spectrophotometric method and the flame atomic absorption spectrometry;
--- Part 4. Determination of lead content by flame atomic absorption spectrometry;
--- Part 5. Determination of antimony content - Malachite green spectrophotometry;
--- Part 6. Determination of arsenic content - Malachite Green - arsenic heteropolyoxomolybdate spectrophotometry;
--- Part 7. Determination of aluminum content electrothermal atomic absorption spectrometry;
--- Part 8. Determination of zinc content - Flame atomic absorption spectrometry;
--- Part 9. Determination of sulfur content of high frequency induction furnace combustion infrared absorption method;
--- Part 10. Determination of cadmium content by flame atomic absorption spectrometry;
--- Part 11. Determination of the amount of silver by flame atomic absorption spectrometry;
--- Part 12. Determination of nickel content by flame atomic absorption spectrometry;
--- Part 13. Determination of cobalt content by flame atomic absorption spectrometry;
--- Part 14. Inductively coupled plasma atomic copper, iron, bismuth, lead, antimony, arsenic, aluminum, zinc, cadmium, nickel, cobalt and the amount of emitted light
Spectroscopy.
This section GB/T 3260 Part 7.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is GB/T 3260.7-2000 "chemical analysis of tin Determination of aluminum content," the amendment of this section and
GB/T 3260.7-2000 compared to the main changes are as follows.
--- Electrothermal atomic absorption spectrometry replaced by Chromium Azure S Spectrophotometry.
--- Text format has been modified;
--- Increasing the repeatability and reproducibility content.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is responsible for drafting unit. Yunnan Tin Group Co., Ltd., Guangxi China Tin Group Co., Ltd.
This section is drafted. Beijing Mining Research Institute, Changshu CIQ.
Participated in the drafting of this section. Yunnan Tin Group Co., Ltd. Bayuquan Exit Inspection and Quarantine, Beijing Nonferrous Metal Research,
General Hospital.
The main drafters of this section. ginger seeking Tao Nguyen Cinnamon, Wang Hui, Su Aiping, Xu Yuyu, Li Changli, Gao Yan, Chenshu Lian Feng advanced, Han Xiao,
Zhang Limei, Wang Caiyun.
This part of the standard replaces the previous editions are.
--- GB/T 3260.7-1982;
--- GB/T 3260.7-2000.
Chemical analysis of tin
Part 7. Determination of aluminum content
Electrothermal atomic absorption spectrometry
1 Scope
GB/T 3260 This section provides for the determination of tin in aluminum content electrothermal atomic absorption spectrometry methods.
This section applies to the determination of tin in aluminum content. Determination of the range of 0.00030% - 0.0040%
2 Method summary
Samples with hydrochloric acid and hydrogen peroxide dissolved in hydrochloric acid and citric acid medium, electrothermal atomic absorption spectrometer at 309.3nm, Zeeman
In addition to background absorption, measuring the absorption peak area, calculated according to the content of the work curve of aluminum.
3 Reagents
Analysis of water are a water. Containers are used in the experiments with hydrochloric acid (119) was thoroughly soaked, clean water reserve.
3.1 hydrochloride (ρ1.19g/mL, MOS level).
Nitrate 3.2 (ρ1.42g/mL, MOS level).
3.3 Hydrogen peroxide (30%, MOS grade).
3.4 hydrochloride (19).
3.5 citric acid solution (pure class distinctions, 200g/L).
3.6 standard aluminum stock solution. Weigh 1.0000g of aluminum (wAl≥99.99%), placed in 250mL-high beaker, 25mL salt
Acid (11) and 3mL nitrate, cover sheet pan, over low heat until completely dissolved, removed, cooled, washed with water table dish and cup wall, moved
1000mL volumetric flask 25mL hydrochloric acid (11), diluted with water to volume, and mix. 1mL solution containing 1mg aluminum.
3.7 Aluminum Standard Solution A. Pipette 10.00mL aluminum standard stock solution (3.6) in 100mL volumetric flask, was added 5mL hydrochloric acid (3.1),
Dilute with water to volume, and mix. This solution 1mL containing 100μg aluminum.
3.8 aluminum standard solution B. Pipette 5.00mL aluminum standard solution (3.7) in 250mL volumetric flask, was added 12.5mL hydrochloric acid (3.1),
Dilute with water to volume, and mix. This solution 1mL containing 2μg aluminum.
4 Instrument
Graphite furnace atomic absorption spectrometer (with a Zeeman background subtraction function), with a graphite furnace atomizer, autosampler, with a hollow aluminum overcast
Pole lamps and graphite tube.
Step 5 Analysis
5.1 Sample
Table 1 sample was weighed, accurate to 0.0001g.
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