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GB/T 30448-2013 (GBT 30448-2013)

GB/T 30448-2013_English: PDF (GBT30448-2013)
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GB/T 30448-2013English169 Add to Cart Days<=3 Nanoscale iron powder GB/T 30448-2013 Valid GB/T 30448-2013

Standard ID GB/T 30448-2013 (GB/T30448-2013)
Description (Translated English) Nanoscale iron powder
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H71
Classification of International Standard 77.160
Word Count Estimation 8,896
Quoted Standard GB/T 223.7; GB/T 223.75; GB/T 4164; GB/T 5314; GB/T 13221; GB/T 13390; GB/T 19619; GB/T 20123; GB/T 24585
Drafting Organization CISRI
Administrative Organization Nanotechnology National Standardization Technical Committee
Regulation (derived from) National Standards Bulletin 2013 No. 27
Proposing organization National Standardization Technical Committee for Nanotechnology (SAC/TC 279)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the grades, the technical requirements of nano-iron and related test methods and inspection rules for products, packaging, labeling, storage, transportation and quality certificates and other requirements. This standard applies to

GB/T 30448-2013
Nanoscale iron powder
ICS 77.160
National Standards of People's Republic of China
Issued on. 2013-12-31
2014-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Committee of nano technology (SAC/TC279) and focal points.
This standard was drafted. Iron and Steel Research Institute, Jiangxi Yue An ultrafine metal Ltd., Metallurgical Industry Information Standards Institute, Jilin Jien
Nickel Industry Co., Ltd., Jinchuan Group Limited.
The main drafters of this standard. Li, Huo Jing, Dai Danfeng, Wang Bing, Leifu Wei, Wu Yahui Liu Xuequan, Luoyong Di, Tang Siqi, Li Zhaoping.
1 Scope
This standard specifies grades, technical requirements and related nano-iron test methods and inspection rules of products, packaging, labeling, storage,
Transport and quality certificates and other requirements.
This standard applies to the production of nano-carbonyl iron powder. Other methods for producing nano-iron, after consultation by both sides can refer to this standard
Associate Executive.
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.
GB/T 223.7 Determination of iron iron titration with potassium dichromate
GB/T 223.75 Determination of methanol distillation steel and alloy of boron content - Curcumin spectrophotometric
GB/T 4164 metal powder can be measured by hydrogen reduction of oxygen content
GB/T 5314 sampling powder metallurgy method
GB/T 13221 nano powder particle size distribution measuring X-ray small angle scattering method
GB/T 13390 metal powder specific surface area by nitrogen adsorption
GB/T 19619 nanomaterials term
GB/T 20123 Steel - Determination of total carbon and sulfur content of the high-frequency induction furnace combustion infrared absorption method (conventional method)
Inductively coupled plasma atomic GB/T 24585 nickel-phosphorus iron, manganese, chromium, copper, cobalt and silicon content Emission Spectrometry
3 Terms and Definitions
GB/T 19619 and defined by the following terms and definitions apply to this document.
Median particle size (d50) medianparticlesize
Cumulative particle size distribution of the particles in the sample when the percentage reached 50% corresponding to the particle diameter.
NOTE. The physical meaning of d50 particle size is greater than 50% of its particles, the particles are less than its 50 per cent, also called median diameter.
Grade 4 Representation and Classification
4.1 grades representation
Expressed as nano-powder products
It represents the chemical name of the product or the main chemical components
It represents the upper limit of the median diameter of the product, in units of nanometers (nm)