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SN/T 3118-2012: Determination of asphaltenes in residual oil. Claviform thin-layer chromatography
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 3118-2012 | English | 209 |
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Determination of asphaltenes in residual oil. Claviform thin-layer chromatography
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SN/T 3118-2012
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Basic data | Standard ID | SN/T 3118-2012 (SN/T3118-2012) | | Description (Translated English) | Determination of asphaltenes in residual oil. Claviform thin-layer chromatography | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | E31 | | Classification of International Standard | 75.160.20 | | Word Count Estimation | 8,899 | | Quoted Standard | GB/T 6379.2; SH/T 0753-2005 | | Regulation (derived from) | National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (Total No. 153); | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the use of fuel oil stick thin layer chromatography method asphaltenes. This standard applies to the determination of the wax boiling point greater than 350��C, atmospheric residue and vacuum residue. | SN/T 3118-2012: Determination of asphaltenes in residual oil. Claviform thin-layer chromatography
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Determination of asphaltenes in residual oil.Claviform thin-layer chromatography
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Fuel oil asphaltene determination
Rod TLC
Issued on. 2012-05-07
2012-11-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Ningbo Exit Inspection and Quarantine.
The main drafters of this standard. Wei Qun, Tan Yao, early Yinglin, Xi Zhongwei, Lin Zhenxing, Wu bud, any fly.
Fuel oil asphaltene determination
Rod TLC
1 Scope
This standard specifies a method for determining fuel oil asphaltenes rod-like thin layer chromatography.
This standard applies to the determination of boiling point greater than 350 ℃ of gas oil, atmospheric residue and vacuum residue.
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 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat
Of the basic methods of reproduction
SH/T 0753-2005 lubricating base oils from Group Composition Determination
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Asphaltenes asphaltenes
Oil-insoluble non-polar low molecular weight n-alkanes and benzene-soluble substances.
4. Summary
According to thin-layer chromatography (TLC) separation principle, the sample was dissolved in toluene, silicone rods were used in the n-heptane, toluene agent to start
After using hydrogen flame (FID) scanning technology to detect, and finally by the area to calculate the asphaltene content normalization.
5 Reagents
5.1 n-heptane, AR, according to SH/T 0753-2005 in A.6 testing, permeability should be greater than 85%. If you meet the requirements, then
Press SH/T 0753-2005 Appendix A for processing.
5.2 toluene, AR.
5.3 Gas. hydrogen, the volume fraction of greater than 99.99%.
5.4 assisting gas. air.
6 Instruments
6.1 is equipped with a hydrogen flame ionization detector and compound data acquisition and recording system thin layer chromatography.
6.2 silicone rod, diameter of less than 1mm, a total length of 15mm quartz rod. The outer surface layer is composed of a pore size of 6μm, particles of 5μm
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