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Determination of soluble mercury, arsenic, selenium, antimony in indoor decorating and refurbishing coatings. Atomic fluorescence spectrometric method
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Basic data
| Standard ID | SN/T 3366-2012 (SN/T3366-2012) |
| Description (Translated English) | Determination of soluble mercury, arsenic, selenium, antimony in indoor decorating and refurbishing coatings. Atomic fluorescence spectrometric method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Word Count Estimation | 9,967 |
| Quoted Standard | GB/T 3186; GB/T 6682; GB/T 8170; GB 18582-2008 |
| Regulation (derived from) | National Quality Inspection (2012) 777; industry standard filing Notice 2013 No. 4 (No. 160 overall) |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the interior decoration paints soluble mercury, arsenic, selenium, antimony by atomic fluorescence spectrometry. This standard applies to indoor decoration paints soluble mercury, arsenic, selenium, antimony, the method detection l |
Similar standards
SN/T 5268|SN/T 3366-2012: Determination of soluble mercury, arsenic, selenium, antimony in indoor decorating and refurbishing coatings. Atomic fluorescence spectrometric method
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Determination of soluble mercury, arsenic, selenium, antimony in indoor decorating and refurbishing coatings.Atomic fluorescence spectrometric method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Interior decoration paint soluble mercury, arsenic, selenium,
Antimony Atomic Fluorescence Spectrometry
Determinationofsolublemercury, arsenic, selenium, antimonyinindoor
Issued on. 2012-12-12
2013-07-01 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 by the People's Republic of China Zhuhai CIQ is responsible for drafting.
The main drafters of this standard. Caonai Bin, Tran party, Chen Xiaoqing, Wuli Bing, Xu Ze, Liao Jia, Peng Bin.
Interior decoration paint soluble mercury, arsenic, selenium,
Antimony Atomic Fluorescence Spectrometry
1 Scope
This standard specifies the interior decoration coatings soluble mercury, arsenic, selenium, antimony atomic fluorescence spectrometry.
This standard applies to interior decoration soluble mercury, arsenic, selenium, antimony coating measurement, detection limit of this method. soluble mercury
0.15mg/kg, soluble arsenic 0.40mg/kg, Se insoluble 0.30mg/kg, soluble antimony 0.40mg/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.
GB/T 3186 Paints, varnishes and raw materials for paints and varnishes - Sampling
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 8170 repair value expressed about the rules and limit values and judgment
GB 18582-2008 interior decoration materials, interior wall paint harmful substances
3 Method summary
After the paint film samples were dried, crushed and sieved at a temperature of 37 ℃ ± 2 ℃, to 0.07mol/L diluted hydrochloric acid soaking, filtrate
Specific medium with potassium borohydride reduction, determination of mercury, arsenic, selenium and antimony elements by atomic fluorescence spectrometry respectively.
4 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade, test water line with GB/T 6682 in the three water requirements.
4.1 nitric acid (ρ = 1.42g/cm3). pure class distinctions.
4.2 hydrochloric acid (ρ = 1.18g/cm3). pure class distinctions.
4.3 nitric acid solution. (11).
4.4 nitric acid solution. (19).
4.5 hydrochloric acid solution. 0.07mol/L ± 0.005mol/L.
4.6 hydrochloric acid solution. (595).
4.7 hydrochloric acid solution. (2mol/L).
4.8 hydrochloric acid solution. (6mol/L).
4.9 Potassium hydroxide (2g/L). Weigh 2.0g of potassium hydroxide, dissolved in water and diluted to 1000mL, shake spare.
4.10 Potassium hydroxide (50g/L). Weigh 50.0g of potassium hydroxide, dissolved in water and diluted to 1000mL, shake spare.
4.11 ascorbic acid solution (50g/L) thiourea (50g/L). Weigh 25.0g ascorbic acid, 25.0g of thiourea was dissolved in 500mL,
Shake, the time is now equipped with.
4.12 potassium borohydride (20g/L). Weigh 20.0g of potassium borohydride dissolved in 1000mL potassium hydroxide solution (4.9), and now with the current.
4.13 potassium borohydride (2g/L). Weigh 2.0g of potassium borohydride dissolved in 1000mL potassium hydroxide solution (4.9), and now with the current.
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