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Determination of lead in paints. Semiquantitative screening by energy dispersive X-ray fluorescence spectrometric method
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Basic data
| Standard ID | SN/T 3377-2012 (SN/T3377-2012) |
| Description (Translated English) | Determination of lead in paints. Semiquantitative screening by energy dispersive X-ray fluorescence spectrometric method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Word Count Estimation | 6,650 |
| Quoted Standard | GB/T 6682; GB/T 22788-2008 |
| 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 lead content in paint energy dispersive X-ray fluorescence semi-quantitative screening method. This standard applies to the lead content in paint energy dispersive X-ray fluorescence spectrometry determination of semi-quantitat |
Similar standards
SN/T 5268|SN/T 3377-2012: Determination of lead in paints. Semiquantitative screening by energy dispersive X-ray fluorescence spectrometric method
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Determination of lead in paints.Semiquantitative screening by energy dispersive X-ray fluorescence spectrometric method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of lead content in paint
Energy dispersive X-ray fluorescence spectrometry
Semi-quantitative screening method
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.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, Changzhou import and export of industrial and consumer safety testing
center.
The main drafters of this standard. Liu Junfeng, Wang Rong, Zhu Yan, Chen, Shao Chenjie.
Determination of lead content in paint
Energy dispersive X-ray fluorescence spectrometry
Semi-quantitative screening method
1 Scope
This standard specifies the X-ray fluorescence spectrometry method for semi-quantitative screening assays energy dispersive paint lead content.
This standard applies to the lead content of the paint was measured by energy dispersive X-ray fluorescence spectrometry method of semi-quantitative screening.
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.
Laboratory use specifications and test methods GB/T 6682 Analysis
Determination of GB/T 22788-2008 toy surface coatings of the total lead content
Principle 3
In liquid coatings formulated matrix of different concentrations of lead standard solution, standard curve was established in X-ray spectroscopy, the standard curve
Determination of the test sample liquid paint lead content.
4 Reagents
Unless otherwise specified, water GB/T 6682 third grade water as specified, reagents were of analytical grade.
4.1 lead nitrate, pure class distinctions.
4.2 ethanol.
4.3 coated plate according to GB/T 22788-2008 test for lead-free liquid coatings.
5 instruments and equipment
5.1 energy dispersive X-ray fluorescence spectrometer.
5.2 Analysis of balance. a sense of the amount of 0.1mg.
5.3 magnetic stirrer.
Preparation 6 samples
6.1 lead standard solution (5000mg/L). Weigh accurately a certain amount of lead nitrate (4.1), accurate to 0.1mg, with 5mL ~ 10mL water
After completely dissolved with anhydrous ethanol (4.2) volume, formulated as 5000mg/L lead standard stock solution and set aside.
NOTE. ethanol's role is to lead in the standard working solution preparation process better standard stock solution mixed with the paint matrix evenly.
6.2 lead standard working solution. Weigh weighing method using a certain amount of liquid coating (4.3) as the matrix, formulated with lead standard solution (6.1) into
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