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SN/T 1797.3-2008: Technical regulation on safety and sanitation for inspection of iron ore. Part 3: Silicon content for quality evaluation
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 1797.3-2008 | English | 149 |
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Technical regulation on safety and sanitation for inspection of iron ore. Part 3: Silicon content for quality evaluation
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SN/T 1797.3-2008
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Basic data | Standard ID | SN/T 1797.3-2008 (SN/T1797.3-2008) | | Description (Translated English) | Technical regulation on safety and sanitation for inspection of iron ore. Part 3: Silicon content for quality evaluation | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D31 | | Word Count Estimation | 5,545 | | Date of Issue | 2008-07-17 | | Date of Implementation | 2009-02-01 | | Quoted Standard | GB 6730.9; GB 6730.10; GB/T 10322.1; GB/T 20565; SN/T 0832; SN/T 1797.1; ISO 2598; ISO 3082; ISO 9516 | | Regulation (derived from) | National Quality Inspection [2008] No. 353 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of iron ore in the silicon content of the quality evaluation of grading standards and testing methods. This standard applies to export natural iron ore, iron ore processing. | SN/T 1797.3-2008: Technical regulation on safety and sanitation for inspection of iron ore. Part 3: Silicon content for quality evaluation
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Technical regulation on safety and sanitation for inspection of iron ore.Part 3. Silicon content for quality evaluation
Exit inspection and quarantine industry standard book People's Republic of China
Iron ore Health and Safety Inspection Technical Specifications
Part 3. Quality Evaluation silicon content
Posted 2008-07-17
2009-02-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 1797 "Safety of Health Laboratory technical specifications of iron ore" is divided into 12 parts.
--- Part 1. manual sampling method;
--- Part 2. Evaluation of total quality iron content;
--- Part 3. Quality Assessment silicon content;
--- Part 4. Quality Assessment of aluminum content;
--- Part 5. Quality Assessment of loss on ignition;
--- Part 6. Quality Evaluation of moisture content;
--- Part 7. Quality evaluation of particle size distribution;
--- Part 8. Evaluation of thermal cracking quality index;
--- Part 9. Quality evaluation of mechanical strength;
--- Part 10. Quality Assessment of the relative degree of reduction;
--- Part 11. Evaluation of the quality of pellets free expansion coefficient;
--- Part 12. Quality Assessment bulk density.
This section SN/T Section 31797 of.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section is drafted. Tianjin Entry-Exit Inspection and Quarantine Bureau, Shenzhen CIQ.
The main drafters of this section. Wei Hongbing Guo Fen, Gu Songhai, Feng Yuxin, Chen Yan, from Madrid, Li Ying, Wu Jingwu, Chen Xiangyang.
The first part of the Department of Inspection and Quarantine issued by industry standards.
Iron ore Health and Safety Inspection Technical Specifications
Part 3. Quality Evaluation silicon content
1 Scope
This section provides grading and export of iron ore in the quality assessment and determination of silicon content.
This section applies to the import and export of natural iron ore, iron ore processing.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
Determination of silicon content GB 6730.9 chemical analysis of iron silicon molybdenum blue photometric method
Determination of silicon content GB 6730.10 gravimetric method for chemical analysis of iron
GB/T 10322.1 iron ore sampling and sample preparation methods
GB/T 20565 Iron ore and direct reduced iron term
SN/T 0832 import and export of iron ore, the measurement wavelength of silicon, calcium, manganese, aluminum, titanium, magnesium and phosphorus dispersive X-ray fluorescence spectrometry
SN/T 1797.1 iron ore Health and Safety Inspection Technology Specification - Part 1. Sampling manual method
ISO 2598 Determination of silicon content in iron ore
ISO 3082 iron ore sampling and sample preparation methods
ISO 9516 iron ore, silicon, calcium, manganese, aluminum, titanium, magnesium, phosphorus, sulfur and potassium measurement wavelength dispersive X- ray fluorescence spectrometry
3 Terms and Definitions
Terms and definitions GB/T 20565 established applicable to this section.
4 sampling and sample preparation
Used for experimental samples for analysis, sampling should be carried out according to GB/T 10322.1, ISO 3082, or SN/T 1797.1 requirements, and in accordance with
GB/T 10322.1 or ISO 3082 method of preparing a sample size of less than 100μm in. If the ore containing compound or water-containing substances easily oxidized
Volume, the size should be less than 160μm.
5 measurement method
Determination of iron ore samples silica content of silicon content (SiO2) is less than 1.5% (mass fraction) according to ISO 2598-1,
GB 6730.9, ISO 9516, SN/T 0832 method. The silicon content (SiO2) greater than 1.5% (by mass) of the sample by
ISO 2598-2, GB 6730.10, ISO 9516, SN/T 0832 method.
6 silicon content in iron ore grading
Silicon content in iron ore grading according to Table 1.
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