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GB/T 3260.5-2013: Methods for chemical analysis of tin -- Part 5: Determination of antimony content -- The malachite green photometric method
Status: Valid GB/T 3260.5: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3260.5-2013 | English | 139 |
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Methods for chemical analysis of tin -- Part 5: Determination of antimony content -- The malachite green photometric method
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GB/T 3260.5-2013
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| GB/T 3260.5-2000 | English | 199 |
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Methods for chemical analysis of tin. Determination of bismuth content
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GB/T 3260.5-2000
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| GB/T 3260.5-1982 | English | RFQ |
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Chemical analysis of tin--The malachite green photometric method for determination of antimony
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GB/T 3260.5-1982
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PDF similar to GB/T 3260.5-2013
Basic data | Standard ID | GB/T 3260.5-2013 (GB/T3260.5-2013) | | Description (Translated English) | Methods for chemical analysis of tin -- Part 5: Determination of antimony content -- The malachite green photometric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.60 | | Word Count Estimation | 6,647 | | Older Standard (superseded by this standard) | GB/T 3260.5-2000 | | Regulation (derived from) | National Standards Bulletin No. 25 of 2013 | | Issuing agency(ies) | General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 malachite green spectrophotometric method tin antimony content. This standard applies to the determination of the amount of tin and antimony. Measuring range of 0. 00050% to 0. 0500%. | GB/T 3260.5-2013: Methods for chemical analysis of tin -- Part 5: Determination of antimony content -- The malachite green photometric method
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Methods for chemical analysis of tin Part 5.. Determination of antimony content The malachite green photometric method.
ICS 77.120.60
H13
National Standards of People's Republic of China
Replacing GB/T 3260.5-2000
Chemical analysis of tin
Part 5. Determination of antimony content
Malachite Green Spectrophotometry
Part 5. Determinationofantimonycontent-
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 5.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is GB/T 3260.5-2000 "chemical analysis of tin Determination of antimony content" revision, this part of the GB/T 3260.5-
Compared to 2000, the main technical content of the following changes.
--- The extraction agent from benzene to toluene;
--- 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. Guangxi China Tin Group Co., Ltd., Kunming Metallurgy Research Institute.
Participated in the drafting of this section. Daye Nonferrous Co., Ltd., Hunan Chenzhou Mining and cloud limited liability company.
The main drafters of this section. Huang Xu, Huang Mei, Liu Wei Li, Li Rong, Wei Zhen Yan, Tan Zuo Ming, Chen Lan, Miss Li, Yang Yun Jin, Wu Youcheng,
Wax cold spring, Xiaoyue Yong.
This part of the standard replaces the previous editions are.
--- GB/T 3260.5-1982;
--- GB/T 3260.5-2000.
Chemical analysis of tin
Part 5. Determination of antimony content
Malachite Green Spectrophotometry
1 Scope
GB/T 3260 provisions of this part of the malachite green spectrophotometric method tin antimony content.
This section applies to the determination of tin in the antimony content. Determination of the range of 0.00050% to 0.0500%.
2 Method summary
Samples with hydrochloric acid and hydrogen peroxide dissolved in hydrochloric acid medium, antimony anions generated green and malachite green complex, which is extracted in toluene,
Spectrophotometer measuring the absorbance at a wavelength of 635nm.
3 Reagents
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity.
3.1 hydrochloride (ρ1.19g/mL).
3.2 Hydrogen peroxide (30%).
3.3 toluene.
3.4 hydrochloride (53).
3.5 phosphate (19).
3.6 stannous chloride solution (100g/L). Weigh 10g of stannous chloride (SnCl2 · 2H2O), added 20mL of hydrochloric acid (3.2), dissolved by heating, cooling
However, dilute with water to 100mL.
3.7 sodium nitrite solution (140g/L).
3.8 urea solution (400g/L).
3.9 malachite green solution (2g/L).
3.10 over anhydrous sodium sulfate.
3.11 Antimony standard stock solution. Weigh 0.2742g antimony potassium tartrate (KSbOC4H4O6 · 1/2H2O) placed in 250mL beaker, add
Into 100mL of hydrochloric acid (3.4), stirring to dissolve, transferred to 1000mL volumetric flask with hydrochloric acid (3.4) Wash the beaker and dilute to volume, mix
uniform. This solution 1mL containing 100μg antimony.
3.12 Antimony standard solution. Pipette 25.00mL antimony standard stock solution (3.11) in 500mL volumetric flask (3.4) diluted to the mark with hydrochloric acid
Degree, and mix. This solution 1mL containing 5μg antimony.
Step 4 Analysis
4.1 Sample
Table 1 sample was weighed, accurate to 0.0001g.
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