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GB/T 4103.15-2009: Methods for chemical analysis of lead and lead alloys -- Part 15: Determination of nickel content -- Flame atomic absorption spectrophotometry
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| GB/T 4103.15-2009 | English | 139 |
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Methods for chemical analysis of lead and lead alloys -- Part 15: Determination of nickel content -- Flame atomic absorption spectrophotometry
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GB/T 4103.15-2009
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Basic data | Standard ID | GB/T 4103.15-2009 (GB/T4103.15-2009) | | Description (Translated English) | Methods for chemical analysis of lead and lead alloys -- Part 15: Determination of nickel content -- Flame atomic absorption spectrophotometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.60 | | Word Count Estimation | 6,644 | | Date of Issue | 2009-04-08 | | Date of Implementation | 2010-02-01 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.4 (Total No.144) | | 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 amount of lead in the determination of nickel. This section applies to the determination of nickel content of lead. Measurement range: 0. 0001% to 0. 01%. | GB/T 4103.15-2009: Methods for chemical analysis of lead and lead alloys -- Part 15: Determination of nickel content -- Flame atomic absorption spectrophotometry
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Methods for chemical analysis of lead and lead alloys Part 15. Determination of nickel content Flame atomic absorption spectrophotom
ICS 77.120.60
H13
National Standards of People's Republic of China
Lead and lead alloys - Analysis
Part 15. Determination of nickel content
Flame Atomic Absorption Spectrometry
Posted 2009-04-08
2010-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 4103 "Methods for chemical analysis of lead and lead alloys" is divided into 16 parts.
--- Part 1. Determination of tin content;
--- Part 2. Determination of antimony content;
--- Part 3. Determination of copper content;
--- Part 4. Determination of iron content;
--- Part 5. Determination of bismuth content;
--- Part 6. Determination of arsenic content;
--- Part 7. Determination of the amount of selenium;
--- Part 8. Determination of tellurium content;
--- Part 9. Determination of calcium;
--- Part 10. Determination of the amount of silver;
--- Part 11. Determination of zinc content;
--- Part 12. Determination of thallium content;
--- Part 13. Determination of aluminum content;
--- Part 14. Determination of cadmium content by flame atomic absorption spectrometry;
--- Part 15. Determination of nickel content by flame atomic absorption spectrometry;
--- Part 16. copper, silver, bismuth, arsenic, antimony, tin, zinc contents Optical emission spectroscopy.
This is Part 15.
This part is proposed by the China Nonferrous Metals Industry Association.
The non-ferrous metal part by the National Standardization Technical Committee.
This section is responsible for drafting unit. Zhuzhou Smelter Group Co., Ltd., Beijing General Research Institute of Mining and Metallurgy.
Participated in the drafting of this section. Henan Yuguang Gold & Lead Co., Ltd., Shenzhen Lingnan Nonferrous Metals Co., Ltd. Shaoguan Smelter
Refinery, Liuzhou China Tin Group Co., Ltd. Jinhai Metallurgy Chemical Branch.
The main drafters of this section. Lei Su letter to De Lei, Liu Xinling, Cai Jun, Liu Chunfeng, Yu Li, Kong Jianmin, Zhangze Ru, painted red, Lu Chao.
Lead and lead alloys - Analysis
Part 15. Determination of nickel content
Flame Atomic Absorption Spectrometry
1 Scope
GB/T 4103 provisions of this part of the determination of nickel content in the lead.
This section applies to the determination of nickel content in lead. Measurement range. 0.0001% to 0.01%.
2 principle of the method
Sample dissolved in nitric acid, sulfuric acid precipitation lead to lead, using air - acetylene flame atomic absorption spectrometer at a wavelength of 232.0nm
Nickel measured absorbance to the standard curve method to calculate the amount of nickel.
3 Reagents
Unless otherwise indicated, the test for the preparation and analysis of water solutions are a water containers were used in the experiments with dilute nitric acid (1 + 4) immersion
After a thorough cleaning with water.
3.1 nitrate (ρ1.42g/mL), pure class distinctions.
3.2 sulfate (ρ1.84g/mL), pure class distinctions.
3.3 nitric acid (1 + 1).
3.4 nitric acid (1 + 3).
3.5 sulfate (1 + 1).
3.6 Nickel standard stock solution. Weigh 0.5000g of nickel (Ni mass fraction ≥99.95%) in 200mL beaker,
20mL of nitric acid (3.3), cover sheet pan, on low heat until completely dissolved, boiled, oxides of nitrogen purge, cooling is removed and transferred to 1000mL
Volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 0.5mg nickel.
3.7 Nickel standard solution. Pipette 10.00mL Nickel standard stock solution (3.6) in 500mL volumetric flask, was added 20mL of nitric acid (3.3),
Dilute with water to volume, and mix. This solution 1mL containing 10μg nickel.
4 Instrument
Atomic absorption spectrometer, with a nickel hollow cathode lamp.
Under optimum working conditions for those who can reach the following indicators can be used.
--- Characteristic concentration. In line with the measurement of the sample solution matrix solution, characteristic concentration of nickel should not exceed 0.05μg/mL;
--- Precision. standard solution with the highest concentration of 10 times the absorbance measurements, the standard deviation should not exceed the average absorbance of 1.0%;
With the lowest concentration of standard solution (not "zero" concentration of the standard) measuring the absorbance of 10 times, the standard deviation should not exceed the maximum
0.5% concentration of the standard average absorbance;
--- Linear curve. The curve is divided into five sections according to concentration, absorbance difference between the absorbance difference between the highest and the lowest segment of the segment
Ratio of not less than 0.8;
--- Instrument reference operating conditions are shown in Table 1.
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