SN/T 2041-2008 English PDF

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SN/T 2041-2008: Rules for inspection of nano-titanium dioxide
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2041-2008	259	Add to Cart	3 days	Rules for inspection of nano-titanium dioxide	Valid

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Basic data

Standard ID: SN/T 2041-2008 (SN/T2041-2008)
Description (Translated English): Rules for inspection of nano-titanium dioxide
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G13
Classification of International Standard: 71.060.20
Word Count Estimation: 10,130
Date of Issue: 2008-04-29
Date of Implementation: 2008-11-01
Quoted Standard: GB/T 1250; GB/T 6678; GB/T 13221; GB/T 19591
Regulation (derived from): National-accreditation-Science [2012] 57
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the classification of titanium dioxide, technical specifications, test methods and inspection rules. This standard applies to nano titanium dioxide test.

SN/T 2041-2008: Rules for inspection of nano-titanium dioxide

---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.
Rules for inspection of nano-titanium dioxide Exit inspection and quarantine industry standard book People's Republic of China Inspection of titanium dioxide Posted 2008-04-29 2008-11-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A, Appendix B and Appendix C are informative appendix. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard mainly by the China Academy of Inspection and Quarantine is responsible for drafting; University of Science and Technology Beijing, People's Republic of China Shandong Entry-Exit Inspection Quarantine Bureau to participate in the drafting. The main drafters of this standard. Zouming Qiang, Tian Shimin, Cao Lin Xue Qiang, Li Jinfeng, Wang Nan, Zhang Huiling, Chen Yan long, Qiu Yueming. This standard is the first release of the entry-exit inspection and quarantine industry standards. Inspection of titanium dioxide

1 Scope

This standard specifies the classification, technical specifications, test methods and inspection rules titania nanoparticles. This standard applies to titanium dioxide test.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms of dated references, all subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Representation GB/T 1250 limit values and the method of determining GB/T 6678 General Principles for Sampling Chemical Products GB/T 13221 nano powder particle size distribution measuring X-ray small angle scattering method GB/T 19591 titanium dioxide

3 Product Categories

According to the crystal structure of nano titanium dioxide, nano-titanium dioxide can be divided into two categories. a) Anatase type (A) shows the nm-TiO2 (A); b) rutile (R) is represented nm-TiO2 (R). According to the crystal form of titanium dioxide can be divided into. a) particulate (zero-dimensional) titanium dioxide; b) linear (one-dimensional) titanium dioxide; c) the strip or film (D) titanium dioxide. The micro-structure of titanium dioxide can be divided into. a) single-crystal titanium dioxide; b) polycrystalline titanium dioxide.

4 Technical Specifications

4.1 Appearance. white powder. 4.2 nanomaterials should meet the following requirements. a) three-dimensional material particles have at least one dimension less than 100 nm or; b) the material should have a corresponding commodity nanometer effects. 4.3 nano-titanium dioxide shall comply with the requirements of Table 1. Table 1 nanometer titanium dioxide test items and indicators project index nm-TiO2 (A) nm-TiO2 (R) Nano-titanium dioxide mass fraction a /% ≥90 Nano-titanium dioxide production rate /% ≥80 ......

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