GB/T 3394-2009 English PDF (GBT3394-2009)

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GB/T 3394-2009: Ethylene and propylene for industrial use -- Determination of trace carbon monoxide, carbon dioxide and acetylene -- Gas chromatographic method
GB/T 3394-2009
Ethylene and propylene for industrial use. Determination of trace carbon monoxide, carbon dioxide and acetylene. Gas chromatographic method
ICS 71.080.10
G16
National Standards of People's Republic of China
Replacing GB/T 3394-1993, GB/T 3395-1993
Industrial ethylene, propylene trace of carbon monoxide,
Determination of carbon dioxide and acetylene 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 ASTMD2505. 1988 (2004) "A gas chromatographic analysis of high purity ethylene ethylene, carbon dioxide and hydrocarbon impurities
Standard Test Method "(in English) of non-equivalent.
This standard replaces GB/T 3394-1993 "industrial use of ethylene, propylene trace monoxide and carbon dioxide - Gas chromatographic
Law "and GB/T 3395-1993" industrial use of trace acetylene ethylene by gas chromatography. "
This standard and GB/T 3394-1993 and GB/T 3395-1993 The main differences are as follows.
--- Two standards will be integrated into a standard, the name changed to "industrial use of ethylene, propylene trace of carbon monoxide, carbon dioxide and acetylene
Gas chromatographic method ";
--- Increased capillary column chromatographic analysis of the operating conditions;
--- Canceled acetylene analysis squalane column and operating conditions;
--- Increased injection and backflushing valve control path connection diagram for;
--- Increase the technical requirements of standard samples prepared by gas;
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 and Chemical Corporation Shanghai Research Institute of Petrochemical.
The main drafters of this standard. Tangqi Min, Zhang Yuhong.
This standard replaces the standards previously issued as follows.
--- GB/T 3394-1982, GB/T 3394-1993;
--- GB/T 3395-1982, GB/T 3395-1993.
Industrial ethylene, propylene trace of carbon monoxide,
Determination of carbon dioxide and acetylene gas chromatography
1 Scope
This standard specifies the determination industrial ethylene, propylene trace of carbon monoxide, carbon dioxide and acetylene content by gas chromatography.
This standard applies to ethylene, propylene content of not less than 1mL/m3 of carbon monoxide, carbon dioxide is not less than 5mL/m3 and not low
Determination of acetylene in 1mL/m3 of.
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, subsequently
Some amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Study 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
Gas sample (liquid sample or vaporized) by the injection device is a carrier gas packed or capillary columns, carbon monoxide, carbon
Carbon or acetylene separated from other components. Carbon monoxide, carbon dioxide is converted to methane by catalytic hydrogenation. With flame ionization detector
(FID) detection, recording chromatographic peak area of each impurity components, the use of external standard.
Carbon monoxide, carbon dioxide into methane reaction principle as follows.
CO + 3H2
350 ℃ ~ 400 ℃
Ni
→  catalyst CH4 + H2O
CO2 + 4H2
350 ℃ ~ 400 ℃
Ni
→  catalyst CH4 + 2H2O
4 Reagents and materials
4.1 The carrier gas
Nitrogen. purity (volume fraction) ≥99.995%, silica gel and molecular sieve 5A dried, purified.
Hydrogen. purity (volume fraction) ≥99.995%, silica gel and molecular sieve 5A dried, purified.
4.2 Combustion gas
Hydrogen purity (volume fraction) ≥99.0%.
4.3 air
5A through silica gel and molecular sieve drying, purification.