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SN/T 0481.12-2011: Inspection of bauxite for import and export. Part 12: Determination of apparent porosity and water absorption
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| SN/T 0481.12-2011 | English | 189 |
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Inspection of bauxite for import and export. Part 12: Determination of apparent porosity and water absorption
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SN/T 0481.12-2011
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Basic data | Standard ID | SN/T 0481.12-2011 (SN/T0481.12-2011) | | Description (Translated English) | Inspection of bauxite for import and export. Part 12: Determination of apparent porosity and water absorption | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D54 | | Word Count Estimation | 7,779 | | Date of Issue | 2011-05-31 | | Date of Implementation | 2011-12-01 | | Quoted Standard | GB/T 2007.1; GB/T 2007.2; GB/T 2009; GB/T 5071; GB/T 6379.5; SN/T 0481.6 | | Regulation (derived from) | National-Quality-Inspection-accreditation (2011) 291 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the determination of the import and export of bauxite in porosity and water absorption. This section applies to the determination of the import and export of refractory grade bauxite porosity and water absorption. | SN/T 0481.12-2011: Inspection of bauxite for import and export. Part 12: Determination of apparent porosity and water absorption
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Inspection of bauxite for import and export.Part 12. Determination of apparent porosity and water absorption
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Importers alumina test methods
Determination of porosity and water absorption. Part 12
Part 12. Determinationofapparentporosityandwaterabsorption
Issued on. 2011-05-31
2011-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 0481 "Importers alumina test methods" standard series is divided into 12 parts.
--- Part 1. mandelic acid with concealed titanium aluminum oxide content of EDTA;
--- Part 2. Determination of silicon dioxide content - Molybdenum blue spectrophotometric method;
--- Part 3. sulfosalicylic acid spectrophotometric determination of the amount of ferric oxide;
--- Part 4. Direct determination with EDTA calcium oxide and magnesium oxide content;
--- Part 5. combustion - neutralization method for the determination of sulfur content;
--- Part 6. Rapid Determination of bulk density bauxite;
--- Part 7. Determination of ferric oxide, titanium oxide, silicon dioxide, calcium oxide spectrometry inductively coupled plasma atomic emission,
MgO content;
--- Part 8. High Frequency Burning - Determination of sulfur content infrared absorption method;
--- Part 9. 1,10 phenanthroline photometric method for the determination of free iron content;
--- Part 10. silicon dioxide, ferric oxide, aluminum oxide, calcium oxide, magnesium oxide, potassium oxide, silica and phosphorus pentoxide
Determination of Titanium X-ray fluorescence spectrometry;
--- Part 11. Determination of titanium dioxide content of hydrogen peroxide spectrophotometry;
--- Part 12. Determination of porosity and water absorption.
This section SN/T 0481 "Importers alumina test methods" Part 12 series of standards.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section is drafted. Tianjin People's Republic of China Exit Inspection and Quarantine.
The main drafters of this section. From Madrid, Chen Yan, Su Mingyue, Wei Hongbing, Feng Yuxin, Wang Hong, Chan Kwong Chi.
This section is the first issue of inspection and quarantine industry standards.
Importers alumina test methods
Determination of porosity and water absorption. Part 12
1 Scope
This section provides the determination of import and export bauxite porosity and water absorption.
This section applies to the determination of refractory grade bauxite and export porosity and water absorption.
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, undated references, the latest edition (including any amendments) applies to this document.
GB/T 2007.1 bulk minerals sampling and sample preparation General manual sampling methods
GB/T 2007.2 bulk minerals sampling and sample preparation General manual sample preparation method
GB/T 2009 bauxite bulk sampling and sample preparation method
GB/T 5071 Refractory true density
GB/T 6379.5 measurement methods and results of Accuracy (trueness and precision) - Part 5. Determination of standard measurement method precision
Alternative methods degrees
SN/T 0481.6 Rapid Determination of bulk density of bauxite
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
The total volume bulkvolume (Vb)
Solid matter in the porous material, the pores open and closed porosity of the total volume.
3.2
True Volume truevolume
Volume of solid material in the porous material.
3.3
Open voids openpores
Be liquid-filled pores during impregnation.
3.4
Closed porosity cloesdpores
When the impregnating liquid can not be filled pores.
3.5
Porosity apparentporosity (Pa)
Porous material than all the open pore volume to the total volume of the unit is percentage (%).
3.6
Closed porosity closedporosity (Pc)
Porous material than all the closed porosity volume of its total volume, in percent (%).
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