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Screening of cobalt, arsenic, chromium, tin, bromine and lead in rubber products - Energy dispersive X-ray fluorescence spectrometric method
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Basic data
| Standard ID | SN/T 3816-2014 (SN/T3816-2014) |
| Description (Translated English) | Screening of cobalt, arsenic, chromium, tin, bromine and lead in rubber products - Energy dispersive X-ray fluorescence spectrometric method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | G40 |
| Classification of International Standard | 83.140 |
| Word Count Estimation | 12,129 |
| Quoted Standard | GB/T 8170 |
| Regulation (derived from) | AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the cobalt, arsenic, chromium, tin, bromine and determination of lead rubber products screened with an energy dispersive X-ray fluorescence spectrometry. This standard applies to all types of rubber products, cobalt, arsenic, chrom |
SN/T 3816-2014: Screening of cobalt, arsenic, chromium, tin, bromine and lead in rubber products - Energy dispersive X-ray fluorescence spectrometric method
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Rubber products cobalt; arsenic; chromium; tin; bromine and lead - quantitative screening method - energy dispersive X -ray fluorescence spectrometry)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Rubber products, cobalt, arsenic, chromium, tin, lead and bromine
Screening methods energy dispersive X-ray fluorescence spectrometry
Screeningofcobalt, arsenic, chromium, tin, bromineand
Issued on. 2014-01-13
2014-08-01 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 Zhejiang Exit Inspection and Quarantine, People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine
Bureau, Zhejiang Inspection and Quarantine Institute of Science and Technology.
The main drafters of this standard. Ruan Yi Yong-Hua Guo, Liu Junfeng, from Hui Yuan, Jiang babe.
Rubber products, cobalt, arsenic, chromium, tin, lead and bromine
Screening methods energy dispersive X-ray fluorescence spectrometry
Warning --- personnel should use this standard regular laboratory work experience. 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 relevant national regulations.
1 Scope
This standard specifies the cobalt, arsenic, chromium, tin, bromine and determination of lead rubber products screened with an energy dispersive X-ray fluorescence spectrometry.
This standard applies to all types of rubber products, cobalt, arsenic, chromium, tin, lead and bromine screening concentration range of each analyte as shown in Table 1.
Table 1 rubber products, cobalt, arsenic, chromium, tin, lead and bromine screening assays range milligrams per kilogram
Eligible screening element compound content limit of determination
Co P≤ (318-3σ) cobalt dichloride ≤700
As P≤ (456-3σ) ≤700 arsenic pentoxide
Cr P≤ (244-3σ) hydrated sodium dichromate ≤700
Sn P≤ (279-3σ) dibutyl tin oxide ≤700
Br P≤ (523-3σ) six HBCD ≤700
Pb P≤ (418-3σ) lead acetate trihydrate ≤700
Note. P = pass limit, σ represents precision.
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 8170 repair value expressed about the rules and limit values and judgment
3 Method summary
The prepared sample piece is placed energy dispersive X-ray fluorescence spectrometer ray beam at the selected instrument conditions, measure
X-ray fluorescence intensity of the film sample analyte characteristic lines, according to the quantitative relationship between X-ray fluorescence intensity measured between the elements, and
Elemental interference between correction, calculate the amount of analyte.
4 Reagents and materials
Unless otherwise indicated, the reagents used in the analysis were of analytical grade or above specifications.
4.1 hydrated cobalt chloride.
4.2 pairs of amino benzene ARSACETYL.
4.3 potassium dichromate.
4.4 stannous chloride.
...
