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SN/T 3795-2014: Screening of cobalt dichloride in the silicone and other polymer - Wavelength dispersive X-ray fluorescence spectrometric method
Status: Valid
| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| SN/T 3795-2014 | English | 209 |
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Screening of cobalt dichloride in the silicone and other polymer - Wavelength dispersive X-ray fluorescence spectrometric method
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Standard similar to SN/T 3795-2014
GB/T 40260 | GB 38508 | GB/T 3634.2 | Basic data
| Standard ID | SN/T 3795-2014 (SN/T3795-2014) |
| Description (Translated English) | Screening of cobalt dichloride in the silicone and other polymer - Wavelength dispersive X-ray fluorescence spectrometric method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | G85 |
| Classification of International Standard | 71.100.99 |
| Word Count Estimation | 8,890 |
| Quoted Standard | GB/T 6682-2008; GB/T 8170; GB/T 16597 |
| 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 use of the wavelength dispersive X-ray fluorescence spectrometer screening silicone and polyethylene, polypropylene, polystyrene content of cobalt chloride method. This Standard applies to silica and polyethylene, polypropylene |
SN/T 3795-2014: Screening of cobalt dichloride in the silicone and other polymer - Wavelength 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.
(Silicone and other polymer cobalt chloride - Screening - wavelength dispersive X -ray fluorescence spectrometry)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Screening of silicone and other polymers cobalt dichloride
Wavelength dispersive X-ray fluorescence spectrometry
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 Ningbo Exit Inspection and Quarantine.
The main drafters of this standard. Luo, Wang Hao, Wang Qian, Lin Zhenxing, bud Wu, Yuan Lifeng.
Screening of silicone and other polymers cobalt dichloride
Wavelength dispersive X-ray fluorescence spectrometry
1 Scope
This standard specifies the use of the wavelength dispersive X-ray fluorescence spectrometer screening silicone and polyethylene, polypropylene, polystyrene cobalt dichloride
The method of content.
This standard applies to silica and polyethylene, polypropylene, polystyrene determination of cobalt and chlorine content, chlorine content of cobalt and low detection limit
10mg/kg.
This standard applies to analyte concentration range as shown in Table 1.
Table 1 different base materials cobalt and chlorine quantitative screening measurement range milligrams per kilogram
Other elements of silicone polymer
Co P≤ (400-3σ) \u003cX P≤(400-3σ)\u003cX
Cl P≤ (490-3σ) \u003cX P≤(490-3σ)\u003cX
Note 1. X represents the measured value measured elements, P is qualified.
Note 2. 3σ represent 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.
Laboratory use specifications and test methods GB/T 6682-2008 Analysis
GB/T 8170 rounding off rules and limit the digital representation and judgment
GB/T 16597 metallurgical product analysis X-ray Fluorescence Spectrometry General
3 Method summary
Using wavelength dispersive X-ray fluorescence spectrometry test sample and total chlorine content of total cobalt, cobalt dichloride content filter.
4 Reagents and materials
Unless otherwise specified, the reagents used were of analytical grade and should be above water for the two water GB/T 6682-2008 requirements.
4.1 Cobalt dichloride. 99.0% purity.
4.2 colorless silicone. the element cobalt and chlorine less than 0.5mg/kg.
4.3 polyethylene particles. the elements chlorine and cobalt less than 0.5mg/kg.
Microcrystalline cellulose 4.4. the elements cobalt and chlorine less than 0.5mg/kg.
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