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SN/T 0041.3-2011: Method for inspection of PONA of naphtha for export. Part 3: Method for test of olefinic plus aromatics hydrocarbons in pertroleum distilates
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 0041.3-2011 | English | 239 |
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Method for inspection of PONA of naphtha for export. Part 3: Method for test of olefinic plus aromatics hydrocarbons in pertroleum distilates
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SN/T 0041.3-2011
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Basic data | Standard ID | SN/T 0041.3-2011 (SN/T0041.3-2011) | | Description (Translated English) | Method for inspection of PONA of naphtha for export. Part 3: Method for test of olefinic plus aromatics hydrocarbons in pertroleum distilates | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | E30 | | Classification of International Standard | 75.080 | | Word Count Estimation | 9,954 | | Date of Issue | 2011-02-25 | | Date of Implementation | 2011-07-01 | | Older Standard (superseded by this standard) | SN 0043-1992 | | Quoted Standard | SN/T 0041.2 | | Regulation (derived from) | ?AQSIQ-Inspection [2011] 90 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the method for determination of petroleum fractions of olefin plus aromatic content. This section applies to the determination of gasoline, kerosene and other petroleum distillate olefin plus aromatic content, naphtha. This part is not used to determine the oil fraction containing butane and butene, and the 90% distillation temperature is higher than 315��C the sample. | SN/T 0041.3-2011: Method for inspection of PONA of naphtha for export. Part 3: Method for test of olefinic plus aromatics hydrocarbons in pertroleum distilates
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Method for inspection of PONA of naphtha for export Part 3. Method for test of olefinic plus aromatics hydrocarbons in pertroleum distilates
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Replacing SN 0043-92
PONA naphtha export value test method
Part 3. petroleum distillates olefin plus
Determination of aromatic content
Part 3. Methodfortestofolefinicplusaromatics
Issued on. 2011-02-25
2011-07-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This section drafted in accordance with GB/T 1.1-2009 given rules.
SN/T 0041 "export naphtha PONA value test method" is divided into four parts.
--- Part 1. General procedures;
--- Part 2. Gasoline and naphtha depentanizer law;
--- Part 3. Determination of Canadian petroleum fraction olefins aromatic content;
--- Part 4. off than spectrophotometric determination saturated hydrocarbon fraction naphthenic.
This section SN/T 0041 "export naphtha PONA value test method" in Part 3.
This Part replaces SN 0043-1992 "export naphtha petroleum fractions PONA value test method Determination of olefin plus aromatic content."
The main difference between this part and SN 0043-1992 follows.
--- The "Summary of Method" to "Method summary";
--- The sodium hydroxide 5.3 "dubbed 0.5N standard solution" to "dubbed 0.5mol/L standard solution";
The preparation --- 5.5 sulfonating agent, set "a)" and other forms of the sub-title;
--- The contents of 7.3, 7.4 and 7.5 do normative text changes.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section was drafted by. People's Republic of China Liaoning Province Exit Inspection and Quarantine.
The main drafters of this section. full Qingxiang Abroad. Wu Jianguo, Lin Xiaomei.
PONA naphtha export value test method
Part 3. petroleum distillates olefin plus
Determination of aromatic content
1 Scope
This section specifies the determination method of olefin plus petroleum fractions of aromatic content.
This section applies to the determination of gasoline, naphtha, kerosene and other petroleum fractions olefin plus aromatic content.
This section does not apply to the determination of petroleum fractions containing butane and butene, and the 90% distillation temperature of the sample is higher than 315 ℃.
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.
SN/T 0041.2 export naphtha PONA value test methods - Part 2. Gasoline and naphtha depentanizer law
3 Method summary
Quantitative samples at room temperature and sulfonating agent (98.5% to 99.0% sulfuric acid) on a dedicated co-sulfonation flask method prescribed shock, sample
After olefins and aromatics from the sulfonation with concentrated sulfuric acid and oil layers, measuring the volume of the reservoir is not part of the response.
4 Instrument
4.1 standard and precision sulfonated bottle. 5mL, 10mL, made of acid-resistant glass, the annealing good, and meet the requirements shown in Figs. 1 to 3,
Be calibrated.
4.2 Pipette. 5mL, 10mL.
4.3 mechanical oscillator. oscillation frequency of 240 beats per minute.
4.4 glass ball. diameter of about 55mm, washed, dried spare.
4.5 necked glass funnel.
4.6 cylinder. 25mL, indexing of 1mL.
4.7 Thermometer. 0 ℃ ~ 100 ℃, sub-degree 1 ℃.
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