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SN/T 0041.3-2011 English PDF

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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
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
SN/T 0041.3-2011239 Add to Cart 3 days Method for inspection of PONA of naphtha for export. Part 3: Method for test of olefinic plus aromatics hydrocarbons in pertroleum distilates Valid

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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Older Standard (superseded by this standard): SN 0043-1992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


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
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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