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ASTM D 7675 : 2015 : REDLINE

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Determination of Total Hydrocarbons in Hydrogen by FID-Based Total Hydrocarbon (THC) Analyzer
Available format(s)

PDF

Superseded date

30-06-2022

Language(s)

English

Published date

09-12-2015

CONTAINED IN VOL. 05.06, 2015 Defines a procedure for total hydrocarbons (THC) measurement in hydrogen intended as a fuel for fuel cells on a C1 Basis.

1.1This test method describes a procedure for total hydrocarbons (THC) measurement in hydrogen intended as a fuel for fuel cells on a methane (C1) basis. The determination of total hydrocarbons on a C1 basis is an analytical technique where all of the hydrocarbons are assumed to have the same response as methane. Sensitivity from 0.1 part per million (ppm(v), µmole/mole) up to 1000 parts per million (ppm(v), µmole/mole) concentration are achievable. Higher concentrations can be analyzed using appropriate dilution techniques. This test method can be applied to other gaseous samples requiring analysis of trace constituents provided an assessment of potential interferences has been accomplished.

1.2This test method is an FID-based hydrocarbon analysis method without the use of separation columns. Therefore, this method does not provide speciation of individual hydrocarbons. Several varieties of instruments are manufactured and can be used for this method.

1.2.1This method provides a measure of total hydrocarbons “as methane,” because all hydrocarbon species are quantified the same as methane response, which is the sole species used for calibration. Magnitude of the FID response to an atom of carbon is dependent on the chemical environment of this atom in the molecule. This method provides the total hydrocarbon result as if all carbon atoms are from aliphatic, aromatic, olefinic, or acetylenic compounds, where the detector response caused by these atoms are approximately relative to the number of carbon atoms present in the molecule. Other types of molecules, including those containing oxygen or chlorine atoms will respond differently and usually much lower than the corresponding aliphatic hydrocarbon. Therefore other methods (Test Methods D7653, D7892, or equivalent) must be utilized to determine the exact constituents of the total hydrocarbon response determined by this method.

1.3The proper handling of compressed gas cylinders containing air, nitrogen, hydrogen, or helium requires the use of gas regulators to preclude over-pressurization of any instrument component

1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5This 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.

Committee
D 03
DocumentType
Redline
Pages
6
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

SAE J 2719 : 2005(R2015) HYDROGEN FUEL QUALITY FOR FUEL CELL VEHICLES
12/30240138 DC : 0 BS ISO 14687-3 - HYDROGEN FUEL - PRODUCT SPECIFICATION - PART 3: PROTON EXCHANGE MEMBRANE (PEM) FUEL CELL APPLICATIONS FOR STATIONARY APPLIANCES
ASTM D 1356 : 2017 : REDLINE Standard Terminology Relating to Sampling and Analysis of Atmospheres
BS ISO 14687-3:2014 Hydrogen fuel. Product specification Proton exchange membrane (PEM) fuel cell applications for stationary appliances
ISO 14687-2:2012 Hydrogen fuel Product specification Part 2: Proton exchange membrane (PEM) fuel cell applications for road vehicles
BS ISO 14687-2:2012 Hydrogen fuel. Product specification Proton exchange membrane (PEM) fuel cell applications for road vehicles
ISO 14687-3:2014 Hydrogen fuel Product specification Part 3: Proton exchange membrane (PEM) fuel cell applications for stationary appliances

ASTM D 7653 : 2010 Standard Test Method for Determination of Trace Gaseous Contaminants in Hydrogen Fuel by Fourier Transform Infrared (FTIR) Spectroscopy
ASTM D 7892 : 2015 Standard Test Method for Determination of Total Organic Halides, Total Non-Methane Hydrocarbons, and Formaldehyde in Hydrogen Fuel by Gas Chromatography/Mass Spectrometry
ASTM D 7606 : 2011 Standard Practice for Sampling of High Pressure Hydrogen and Related Fuel Cell Feed Gases
CFR 40(PTS136-149) : JUL 2017 PROTECTION OF ENVIRONMENT - ENVIRONMENTAL PROTECTION AGENCY
SAE J 2719 : 2005(R2015) HYDROGEN FUEL QUALITY FOR FUEL CELL VEHICLES

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