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SN/T 2649.2-2010 English PDF

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US$389.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2649.2-2010: Determination of asbestos in import and export cosmetics. Part 2: X-ray diffraction and polarized light microscope method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2649.2-2010	389	Add to Cart	3 days	Determination of asbestos in import and export cosmetics. Part 2: X-ray diffraction and polarized light microscope method	Valid

Similar standards

QB/T 2872 SN/T 2107 QB/T 2660 SN/T 1478 SN/T 1780 SN/T 2649.1

Basic data

Standard ID: SN/T 2649.2-2010 (SN/T2649.2-2010)
Description (Translated English): Determination of asbestos in import and export cosmetics. Part 2: X-ray diffraction and polarized light microscope method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Y42
Classification of International Standard: 71.100.70
Word Count Estimation: 15,119
Date of Issue: 2010-11-01
Date of Implementation: 2011-05-01
Quoted Standard: GB/T 6682
Regulation (derived from): National Quality Inspection (2010) 582
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the cosmetic X-ray diffraction Determination of asbestos polarizing microscope qualitative and quantitative methods. This standard applies to cosmetic talcum powder as raw material Determination of asbestos.

SN/T 2649.2-2010: Determination of asbestos in import and export cosmetics. Part 2: X-ray diffraction and polarized light microscope 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 import and export cosmetics.Part 2. X-ray diffraction and polarized light microscope method People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of the import and export of asbestos in cosmetics Part 2. X-ray diffraction - polarizing microscopy Part 2. X-raydiffractionandpolarizedlightmicroscopemethod Issued on. 2010-11-01 2011-05-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 2649 "Determination of asbestos in the import and export of cosmetics" is divided into two parts. --- Part 1. X-ray diffraction - Scanning electron microscopy; Part --- Article 2. X-ray diffraction - polarizing microscopy. This section SN/T 2649 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This section proposed and managed by the National Certification and Accreditation Administration Committee. This part mainly drafted by. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, Chinese Academy of Inspection and Quarantine. The main drafters of this section. Li Jianjun, Feng Ya-Hui, Cheng Wei, Lu Zhigang, Sun defense, Wang Yachun, Fan Xin, Yan Yan. Determination of the import and export of asbestos in cosmetics Part 2. X-ray diffraction - polarizing microscopy

1 Scope

This section SN/T 2649 provisions of the X-ray diffraction cosmetics - qualitative and quantitative methods polarized light microscopy determination of asbestos. This section applies to the determination of talc powder as a raw material in cosmetics asbestos.

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 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Asbestos asbestos Fibrous silicate mineral serpentine (chrysotile) and amphibole fibrous silicate minerals (such as. amosite, crocidolite, tremolite Stone, actinolite, anthophyllite), an aspect ratio greater than 3. 3.2 Preliminary analysis of the sample primaryanalyticalsample After ashing, sieve analysis treated samples. 3.3 Secondary analysis of a sample secondaryanalyticalsample Preliminary analysis of the sample after acid treatment for quantitative analysis. 3.4 Fibrous particles fiberousparticles Particle aspect ratio of greater than 3.

4 Method summary

The sample was ashing, grinding made a preliminary analysis of the sample, the X-ray diffraction and polarized light microscopy combined with determination, to confirm the preliminary analysis of the sample The presence or absence of asbestos. Preliminary analysis of the sample by acid treatment, enriched after drying on glass fiber filters provide a secondary analysis of the sample by X-ray diffraction substrate Standard absorption correction method (see Appendix A) measured diffraction intensity of asbestos, asbestos content calculated according to the diffraction intensity.

5 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade, the water reached at least two water purity GB/T 6682 regulations. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2649.2-2010_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2649.2-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 2649.2-2010_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2649.2-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.