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SN/T 2938-2011: Determination of chemical composition in refining aluminum foil. Determination of lead, cadmium, arsenic. Inductively coupled plasma atomic emission spectrometric method
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| SN/T 2938-2011 | English | 209 |
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Determination of chemical composition in refining aluminum foil. Determination of lead, cadmium, arsenic. Inductively coupled plasma atomic emission spectrometric method
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SN/T 2938-2011
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Basic data | Standard ID | SN/T 2938-2011 (SN/T2938-2011) | | Description (Translated English) | Determination of chemical composition in refining aluminum foil. Determination of lead, cadmium, arsenic. Inductively coupled plasma atomic emission spectrometric method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | H12 | | Classification of International Standard | 77.120.10 | | Word Count Estimation | 8,812 | | Date of Issue | 2011-05-31 | | Date of Implementation | 2011-12-01 | | Quoted Standard | GB/T 6379.2; GB/T 6682 | | Regulation (derived from) | National-Quality-Inspection-accreditation (2011) 291 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the refined inductively coupled plasma atomic emission spectrometry lead foil, arsenic content, cadmium. This standard applies to aluminum refining of lead, cadmium, Determination of arsenic content. The measurement range is shown in Table 1. | SN/T 2938-2011: Determination of chemical composition in refining aluminum foil. Determination of lead, cadmium, arsenic. Inductively coupled plasma atomic emission spectrometric method
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Determination of chemical composition in refining aluminum foil.Determination of lead, cadmium, arsenic.Inductively coupled plasma atomic emission spectrometric method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of the chemical composition of refined aluminum foil
Inductively coupled plasma atomic emission spectrometry
Determination of lead, cadmium, arsenic
Determinationoflead, cadmium, arsenic-Inductivelycoupled
Issued on. 2011-05-31
2011-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Tianjin People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Yaozhuan Gang, Yang Lifei, Li Yi, Su Mingyue, Wang Haoyun, Wang, Wangzhen Kun, Li Anmin.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Determination of the chemical composition of refined aluminum foil
Inductively coupled plasma atomic emission spectrometry
Determination of lead, cadmium, arsenic
1 Scope
This standard specifies the method of inductively coupled plasma atomic Determination of lead, cadmium, arsenic in refining aluminum foil emission spectrometry.
This standard applies to the determination of refined aluminum foil of lead, cadmium, arsenic content, the measurement range shown in Table 1.
Table 1 Determination of elements content range unit.% (mass fraction)
Element measurement range
Pb 0.003 ~ 0.04
Cd 0.001 ~ 0.04
As 0.003 ~ 0.04
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) apply to this section.
GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement repeatability
And basic methods of reproduction
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
Sample with an appropriate acid dissolved in plasma spectrometer at a wavelength corresponding to the elements, measured light intensity curve is determined from the working solution
Content of lead, cadmium and arsenic solution.
4 Reagents
Unless otherwise stated, the use of uniform analytical reagents, water as a secondary water GB/T 6682 regulations.
4.1 aluminum (≥99.99%, lead, cadmium, arsenic).
4.2 potassium iodide.
4.3 nitric acid (ρ = 1.42g/mL).
4.4 hydrochloric acid (ρ = 1.19g/mL).
4.5 Hydrofluoric acid (ρ = 1.14g/mL).
4.6 sulfate (ρ = 1.84g/mL).
4.7 CTC.
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