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Determination of mercury in paint. Method of direct determining of mercury with solid and liquid injection
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Basic data
| Standard ID | SN/T 3010-2011 (SN/T3010-2011) |
| Description (Translated English) | Determination of mercury in paint. Method of direct determining of mercury with solid and liquid injection |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | G50 |
| Word Count Estimation | 7,767 |
| Date of Issue | 2011-09-09 |
| Date of Implementation | 2012-04-01 |
| Quoted Standard | GB/T 602; GB/T 6682; GB 18582-2008 |
| Regulation (derived from) | National Quality Inspection (2011) 492; industry standard filing Notice 2012 No. 4 (No. 148 overall) |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the liquid injection method for the determination of mercury directly measured mercury coating method. This standard applies to total mercury in paints and soluble mercury content, and methods of determination of total mercury lower limit 2. 0��g/kg, the lower limit for the determination of soluble mercury 0. 1��g/kg. |
SN/T 3010-2011: Determination of mercury in paint. Method of direct determining of mercury with solid and liquid injection
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Determination of mercury in paint.Method of direct determining of mercury with solid and liquid injection
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of mercury in paint solid-liquid injection
Direct mercury method
Issued on. 2011-09-09
2012-04-01 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. People's Republic of China, Shenzhen CIQ.
The main drafters of this standard. Li Bin, Song Bao Liang, Yu Shuyuan, Ren Cong, Wu Jingwu, Chen Qi Yu.
Determination of mercury in paint solid-liquid injection
Direct mercury method
Warning. Use of this standard should have practical experience in regular laboratory work. This standard does not point out all possible security asked
question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions of the relevant provisions of the State.
1 Scope
This standard specifies the method for direct measurement of solid-liquid coating method for the determination of mercury in the mercury content of the injection.
This standard applies to the determination of total mercury in paints and soluble mercury content. The method of measuring total mercury lower limit of 2.0μg/kg, soluble mercury
Lower limit of detection was 0.1μg/kg.
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) applies to this document.
Preparation of standard solution of GB/T 602 chemical reagent determination of impurities (ISO 6353-1)
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
GB 18582-2008 interior decoration materials, interior wall paint harmful substances
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Total mercury totalmercury
It refers to the total mercury contained in the paint, including inorganic, organic combination of soluble and total mercury suspended.
3.2
Soluble mercury solublemercury
It means in accordance with GB 18582-2008 Annex D, with dilute hydrochloric acid solution 0.07mol L/coating film after soaking crushed sieved extract
Liquid mercury.
4 Method summary
Sample injector by introducing mercury analyzer, and after drying thermal decomposition, decomposition of mercury are reduced to mercury atoms and mercury atoms in the vapor amalgamation
Tube subjected to gold amalgamation reaction, after the high temperature was measured at a wavelength of analytical 253.65nm place, according to the standard curve quantification.
5 Reagents and materials
Unless otherwise specified, the reagents were pure class distinctions. The water used in line with GB/T 6682 water level.
5.1 hydrochloric acid (ρ = 1.19g/mL).
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