Path:
Home >
SN/T >
Page8 > SN/T 3131-2012
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| SN/T 3131-2012 | English | 559 |
Add to Cart
|
3 days [Need to translate]
|
Determination of asbestos in bicycle brake rubbers. Polarized light microscope and X-ray diffraction method
|
Click to Preview a similar PDF
Basic data
| Standard ID | SN/T 3131-2012 (SN/T3131-2012) |
| Description (Translated English) | Determination of asbestos in bicycle brake rubbers. Polarized light microscope and X-ray diffraction method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | Y14 |
| Classification of International Standard | 43.150 |
| Word Count Estimation | 14,137 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (Total No. 153); |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the bicycle brakes brake shoes in chrysotile, amosite, crocidolite qualitative and quantitative method. This standard applies to bicycle brakes brake shoes in chrysotile, amosite, crocidolite qualitative and quantitative determinat |
SN/T 3131-2012: Determination of asbestos in bicycle brake rubbers. Polarized light microscope and X-ray diffraction 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.
Determination of asbestos in bicycle brake rubbers.Polarized light microscope and X-ray diffraction method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of bicycle brake brake shoe asbestos content
Polarization microscope -X-ray diffraction spectrometry
Issued on. 2012-05-07
2012-11-16 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 Jiangsu Entry-Exit Inspection and Quarantine Bureau.
The main drafters of this standard. Li Jianjun, Feng Ya-Hui, Cheng Wei, Yan Wenxun, Zheng Jianming, Wang Yachun.
Determination of bicycle brake brake shoe asbestos content
Polarization microscope -X-ray diffraction spectrometry
1 Scope
This standard specifies the chrysotile, amosite, crocidolite qualitative and quantitative determination of bicycle brake brake skin.
This standard applies to bicycle brake brake skin chrysotile, amosite, crocidolite qualitative and quantitative determination of.
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
3 Safety Tips
Asbestos as a hazardous material, asbestos enters the body primarily through inhalation of airborne asbestos fibers, or by skin contact or oral intake
Into. A certain amount of long-term inhalation of asbestos fibers can cause asbestosis, mesothelioma, lung cancer. To avoid asbestos hazards to human health, laboratory
Process should wear masks, gloves, and use a fume hood.
4 Terms and Definitions
The following terms and definitions apply to this document.
4.1
Asbestos asbestos
It belongs to the class of fibrous silicate mineral serpentine (chrysotile asbestos. chrysotile) and fibrous silicate minerals of amphibole (amosite.
amosite, crocidolite. crocidolite, tremolite. tremolite, actinolite. actinolite, anthophyllite. anthophylite), large aspect ratio
At 3.
4.2
Preliminary analysis of the sample primaryanalyticalsample
After ashing, sieve analysis treated samples.
4.3
Secondary analysis of a sample secondaryanalyticalsample
Preliminary analysis of the sample after acid treatment for quantitative analysis.
4.4
Fibrous particles fiberousparticles
Particle aspect ratio of greater than 3.
5 Method summary
The sample was crushed, ashing, grinding made a preliminary analysis of the sample, polarizing microscopy and X-ray diffraction method, to confirm the preliminary analysis
...