ASTM-D7649 2010

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D7649-10 Standard Test Method for Determination of Trace Carbon Dioxide, Argon, Nitrogen, Oxygen and Water in Hydrogen Fuel by Jet Pulse Injection and Gas Chromatography/Mass Spectrometer Analysis

Published By	Publication Date	Number of Pages
ASTM	2010	10

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Description

1.1 This test method describes a procedure primarily for the determination of carbon dioxide, argon, nitrogen, oxygen and water in high pressure fuel cell grade hydrogen by gas chromatograph/mass spectrometer (GC/MS) with injection of sample at the same pressure as sample without pressure reduction, which is called Jet Pulse Injection . The procedures described in this method were designed to measure carbon dioxide at 0.5micromole per mole (ppmv), Argon 1 ppmv, nitrogen 5 ppmv and oxygen 2 ppmv and water 4 ppmv.

1.2 The values stated in SI units are standard. The values stated in inch-pound units are for information only.

1.3 The mention of trade names in standard does not constitute endorsement or recommendation for use. Other manufacturers of equipment or equipment models can be used.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method
2	Significance and Use Apparatus FIG. 1
3	FIG. 2
4	Reference Standards FIG. 3
5	Preparation of Apparatus Procedure Calculation
6	Precision and Bias TABLE 1 TABLE 2
7	Keywords X1. JET PULSE INJECTION X1.1 Summary X1.2 Experimental X1.3 Co-Injection FIG. 4
8	TABLE X1.1 FIG. X1.1 FIG. X1.2
9	TABLE X1.2

Additional information

Standard Title	D7649-10 Standard Test Method for Determination of Trace Carbon Dioxide, Argon, Nitrogen, Oxygen and Water in Hydrogen Fuel by Jet Pulse Injection and Gas Chromatography/Mass Spectrometer Analysis
Published Code	ASTM
Publication Date	2010
Pages Count	10

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ASTM-D7649 2010

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