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SN/T 2042-2008 (SNT 2042-2008)

SN/T 2042-2008_English: PDF (SNT2042-2008)
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SN/T 2042-2008EnglishRFQ ASK Days<=3 Rules for inspection of nano-calcium silicate SN/T 2042-2008 Obsolete SN/T 2042-2008
 

BASIC DATA
Standard ID SN/T 2042-2008 (SN/T2042-2008)
Description (Translated English) Rules for inspection of nano-calcium silicate
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard G12
Classification of International Standard 71.060.50
Word Count Estimation 10,171
Date of Issue 2008-04-29
Date of Implementation 2008-11-01
Quoted Standard GB/T 1250; GB/T 13221; JC/T 535
Drafting Organization Chinese Academy of Inspection and Quarantine
Administrative Organization National Certification and Accreditation Administration Committee
Regulation (derived from) National-accreditation-Science [2012] 57
Summary This standard specifies the classification of nano calcium metasilicate, technical specifications, test methods and inspection rules. This standard applies to nano calcium metasilicate powder material test.

SN/T 2042-2008
Rules for inspection of nano-calcium silicate
Exit inspection and quarantine industry standard book People's Republic of China
Nano calcium metasilicate 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 to participate in the drafting.
The main drafters of this standard. Zouming Qiang Cao Lin, Zhang Huiling, flowers Qi, Wang Nan, Li Jinfeng, chief Chen Yan, Tian Shimin, Qiu Yueming.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Nano calcium metasilicate inspection procedures
1 Scope
This standard specifies the classification of nano calcium metasilicate, technical specifications, test methods and inspection rules.
This standard applies to nano-calcium metasilicate test powder materials.
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, encourage the parties to the agreement are based on research
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 13221 nano powder particle size distribution measuring X-ray small angle scattering method
JC/T 535 wollastonite
3 Product Categories
According to the crystal morphology of nano calcium metasilicate can be divided into.
a) particulate (zero-dimensional) nano calcium metasilicate;
b) linear (one-dimensional) nano calcium metasilicate;
c) the strip (D) nano calcium metasilicate.
Based on nanometer calcium metasilicate micro-structure can be divided into.
a) of nano calcium metasilicate;
b) polycrystalline nano calcium metasilicate.
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 metasilicate should meet the requirements of Table 1.
Table 1 nanometer metasilicate inspection items and indicators
Item Index
Nano CaSiO3 mass fraction /% ≥90
Nano CaSiO3 output rate /% ≥80
The mass fraction of SiO2/48-52%
The mass fraction of CaO/45 ~ 48%
Fe2O3 mass fraction /% ≤0.2