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SN/T 0041.1-2011 English PDF

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SN/T 0041.1-2011: Method for inspection of PONA of naphtha for export. Part 1: General procedures
Status: Valid

SN/T 0041.1: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
SN/T 0041.1-2011159 Add to Cart 3 days Method for inspection of PONA of naphtha for export. Part 1: General procedures Valid
SN 0041-1992239 Add to Cart 2 days Method for inspection of PONA ofnaphtha for export Obsolete

Similar standards

HS/T 50   SN/T 3077.1   SH/T 0168   SN/T 0041.5   SN/T 0041.3   SN/T 0041.2   

Basic data

Standard ID: SN/T 0041.1-2011 (SN/T0041.1-2011)
Description (Translated English): Method for inspection of PONA of naphtha for export. Part 1: General procedures
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: E30
Word Count Estimation: 6,611
Date of Issue: 2011-02-25
Date of Implementation: 2011-07-01
Older Standard (superseded by this standard): SN 0041-1992
Quoted Standard: SN/T 0041.2; SN/T 0041.3; SN/T 0041.4; SN 0044; SN 0045; SH/T 0234
Regulation (derived from): ?AQSIQ-Inspection [2011] 90
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the export naphtha alkanes (Paraffins), olefin (Olefins), cycloalkanes (Naphthenes), aromatic hydrocarbons (Aro-natlcs) content (ie PONA value) test methods. This section applies to exports of naphtha and petroleum fractions PONA measured value is similar.

SN/T 0041.1-2011: Method for inspection of PONA of naphtha for export. Part 1: General procedures

---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 1. General procedures ICS People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0041-1992 PONA naphtha export value test method Part 1. General Procedure Part 1. Generalprocedures 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 methods" Part 1. This Part replaces SN 0041-1992 "export naphtha PONA value test method." The main difference between this part and SN 0041-1992 follows. --- The "reference standard" to "normative references"; --- The "Summary of Method" to "Method summary"; --- The "average density olefin" to "olefin content and volume fraction of the conversion factor"; --- The "accurate to the decimal point after the first 'to' one decimal place." 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. This section previously issued to. SN 0041-1992. PONA naphtha export value test method Part 1. General Procedure

1 Scope

This section provides export naphtha alkanes (Paraffins), olefin (Olefins), cycloalkanes (Naphthenes), aromatic hydrocarbons (Aro- matics) content (ie PONA value) of the test method. This section applies to exports of naphtha and petroleum fractions PONA measured values similar.

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 SN/T 0041.3 export naphtha PONA value test methods - Part 3. Determination of Canadian petroleum fraction olefins aromatic content SN/T 0041.4 export value naphtha PONA test methods - Part 4. Determination of the saturated hydrocarbon fraction naphthenic off than spectrophotometry SN 0044 export naphtha PONA value test method lower olefin separation of saturated hydrocarbons in naphtha Determination of liquid density and specific gravity SN 0045 export naphtha PONA value test method Lipkin bicapillary Pyknometer SH/T 0234 and an iodine value light petroleum products - Determination of unsaturated hydrocarbons (iodine - Ethanol)

3 Method summary

PONA verification system in accordance with the value (Fig. 1) the determination of the olefin content of the sample, and the sample was distilled in the distiller predetermined C5 Less than C6 + fraction and steam distilled in two parts and discarded C5 fraction less determined than steam distillate hydrocarbon content of each volume fraction, PONA calculated value naphtha. Figure 1 PONA value test system of FIG.
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