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SN/T 2043-2008

Chinese Standard: 'SN/T 2043-2008'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
SN/T 2043-2008English249 Add to Cart Days<=3 Rules for inspection of nano-calcium carbonate Valid SN/T 2043-2008
SN/T 2043-2008Chinese14 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]

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BASIC DATA
Standard ID SN/T 2043-2008 (SN/T2043-2008)
Description (Translated English) Rules for inspection of nano-calcium carbonate
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard G12
Classification of International Standard 71.060.50
Word Count Estimation 10,120
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 19590
Drafting Organization Chinese Academy of Inspection and Quarantine
Administrative Organization National Certification and Accreditation Administration Committee
Regulation (derived from) National-accreditation-Science [2012] 57
Proposing organization National Certification and Accreditation Administration Standardization Committee
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Summary This standard specifies the classification of nano calcium carbonate, technical specifications, test methods and inspection rules. This standard applies to nano calcium carbonate powder material test.

SN/T 2043-2008
Rules for inspection of nano-calcium carbonate
Exit inspection and quarantine industry standard book People's Republic of China
Nano calcium carbonate inspection procedures
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, Shenzhen People's Republic of China CIQ involved in the drafting.
The main drafters of this standard. Zouming Qiang Cao Lin, Li Jinfeng, Wang Chengyun, Wang Nan, Zhang Huiling, Long Chen Yan, Qi flowers, Qiu Yueming.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Nano calcium carbonate inspection procedures
1 Scope
This standard specifies the classification, technical specifications, test methods and inspection rules nanometer calcium carbonate.
This standard applies to test nano calcium carbonate powder material.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard. However, according to research encourages the parties to the agreement
Study 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 19590 ultra-fine calcium carbonate
3 Product Categories
Based on nanometer calcium carbonate crystal morphology can be divided into.
a) particulate (zero-dimensional) nano calcium carbonate;
b) linear (one-dimensional) nano calcium carbonate;
c) the strip (D) nano calcium carbonate.
The micro-structure of nano calcium carbonate can be divided into.
a) of nano calcium carbonate;
b) polycrystalline nano calcium carbonate.
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 nanometer calcium carbonate should meet the requirements of Table 1.
Test items and index table 1 nanometer calcium carbonate
Item Index
Nano CaCO3 mass fraction /% ≥90
The yield of Nano CaCO3 /% ≥80
The average particle diameter of electron microscopy
(Monocrystalline or polycrystalline)/nm
Granular. three directions scales
Linear. both directions scale
Strip. a direction scale
≤100 (aspect ratio of less than 2)
≤100 (aspect ratio greater than 10)
≤100 (with clear tape or film form)
The average grain granular nano calcium carbonate XRD line width of law/nm ≤100
Related standard:   SN/T 2042-2008  SN/T 3809-2014
Related PDF sample:   GB/T 6009-2014  GB/T 33828-2017
   
 
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