GB/T 3393-2009 English PDF

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GB/T 3393-2009: Ethylene and propylene for industrial use -- Determination of trace hydrogen -- Gas chromatographic method
Status: Valid

GB/T 3393: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3393-2009	189	Add to Cart	3 days	Ethylene and propylene for industrial use -- Determination of trace hydrogen -- Gas chromatographic method	Valid
GB/T 3393-1993	199	Add to Cart	2 days	Ethylene and propylene for industrial use. Determination of trace of hydrogen. Gas chromatographic method	Obsolete

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Basic data

Standard ID: GB/T 3393-2009 (GB/T3393-2009)
Description (Translated English): Ethylene and propylene for industrial use -- Determination of trace hydrogen -- Gas chromatographic method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G16
Classification of International Standard: 71.080.10
Word Count Estimation: 8,860
Date of Issue: 2009-10-30
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): GB/T 3393-1993
Quoted Standard: GB/T 3723; GB/T 8170; GB/T 13289; GB/T 13290
Adopted Standard: ASTM D2504-1988 (2004), NEQ
Regulation (derived from): National Standard Approval Announcement 2009 No.12 (Total No.152)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of industrial ethylene by gas chromatography, propylene content of trace hydrogen. This standard applies to industrial use ethylene, propylene concentration measuring not less than 1 mL/m3 (packed column) or 2 mL/m3 (capillary column) hydrogen content. This standard is not intended to illustrate its use of all safety -related issues. Users are responsible for taking appropriate safety and health practices to ensure compliance with the relevant national regulations.

GB/T 3393-2009: Ethylene and propylene for industrial use -- Determination of trace hydrogen -- Gas chromatographic method

---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.
Ethylene and propylene for industrial use. Determination of trace hydrogen. Gas chromatographic method ICS 71.080.10 G16 National Standards of People's Republic of China Replacing GB/T 3393-1993 Determination of ethylene, propylene trace hydrogen industrial Gas chromatography Posted 2009-10-30 2010-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard ASTMD2504. 1988 (2004) "A gas chromatographic analysis Standard Test Method for C2 and light hydrocarbon products of non-condensable gas" (In English) the degree of consistency is not equivalent. This standard replaces GB/T 3393-1993 "industrial use of ethylene, propylene trace hydrogen gas chromatography." This standard compared with GB/T 3393-1993 The main changes are as follows. --- Increased PoraPakQ packed columns, chromatographic conditions PLOT/Q capillary column and the chromatogram; --- Revised standards formulated content, increasing the standard formulated with the relevant requirements of the gas; --- Increased injection and backflushing valve control path connection diagram for; --- Remove the organic vehicle packed column 407 and chromatographic conditions; --- Increased by 7.3 NOTE gasification of liquid propylene control supplement. The standard proposed by China Petroleum and Chemical Corporation. This standard by the National Standardization Technical Committee Petrochemical Chemical Technical Committee (SAC/TC63/SC4) centralized. This standard was drafted. China Petroleum & Chemical Corporation Shanghai Research Institute of Petrochemical. The main drafters of this standard. Li Wei, Qiao Linxiang. This standard replaces the standards previously issued as follows. --- GB/T 3393-1982, GB/T 3393-1993. Determination of ethylene, propylene trace hydrogen industrial Gas chromatography

1 Scope

This standard specifies the determination by gas chromatography for industrial use ethylene, propylene trace hydrogen content. This standard applies to industrial use ethylene, propylene concentration of not less than 1mL/m3 (packed column) or 2mL/m3 (capillary column) the hydrogen content Determination. This standard is not intended to illustrate its use of all safety-related issues. The user's responsibility to take appropriate safety and health measures Facilities, to ensure compliance with the provisions of the relevant national regulations.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 3723 Sampling of chemical products for industrial use General Safety (GB/T 3723-1999, idtISO 3165. 1976) GB/T 8170 repair value expressed about the rules and limit values and judgment GB/T 13289 Industrial liquid and gaseous ethylene sampling method (GB/T 13289-1991, neqISO 7382. 1986) GB/T 13290 Industrial liquid propylene and butadiene sampling method (GB/T 13290-1991, neqISO 8563. 1987)

3 Method summary

Under the conditions specified in this standard, (after gasification or liquid) through a gas sample inlet system by the carrier gas into the column. The hydrogen thereto He fractionation detected with a thermal conductivity detector. Records hydrogen peak area using external standard.

4 Reagents and materials

4.1 The carrier gas Nitrogen purity (volume fraction) ≥99.99%, silica gel and molecular sieve 5A dried, purified. 4.2 Preparation of standard gas Ethylene. Purity (volume fraction) of not less than 99.95%, a hydrogen content not more than 1mL/m3. Nitrogen. Purity (volume fraction) of not less than 99.999%, a hydrogen content not more than 1mL/m3. Hydrogen. Purity (volume fraction) of not less than 99.99%. 4.3 Standard Hydrogen can be standard market purchases or self-certified standard samples prepared emboldened nitrogen or ethylene (4.2), emboldened hydrogen content should be less than 1mL/m3, or should be amended. Hydrogen content standard should be similar to the test sample.

5 Instruments

5.1 Gas Chromatograph Configuration with gas sampling valve (quantitative pipe volume 1mL ~ 3mL), cleaning system and a thermal conductivity detector (TCD) of the gas chromatograph. Minimum peak hydrogen concentration was measured under the instrument specified in this standard generated by high should be at least two times greater than the noise. Gas injector cleaning system The system shown in Figure 1. Other injection and cleaning means to meet this standard separation and quantification of the effect may also be used. ......

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