Astm D 3246 – 96 pdf free download

Standard Test Method for Sulfur in Petroleum Gas by
Oxidative Microcoulometry 1

This standard is issued under the fixed designation D 3246; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This test method covers determination of sulfur in the
range from 1.5 to 100 mg/kg (ppm by mass) by weight in
hydrocarbon products that are gaseous at normal room temperature and pressure.
NOTE 1—The test method has been tested cooperatively only on
high-purity ethylene gas. Precision data have not been developed for other

1.2 The values stated in SI units are to be regarded as the

1.3 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.

2. Referenced Documents

2.1 ASTM Standards:

D 1265 Practice for Sampling Liquified Petroleum (LP)
Gases—Manual Method2
D 1193 Specification for Reagent Water3
D 3120 Test Method for Trace Quantities of Sulfur in Light
Liquid Petroleum Hydrocarbons by Oxidative Microcoulometry2
F 307 Practice for Sampling Pressurized Gas for Gas Analysis4

2.2 Other Standards:

Compressed Gas Association Booklets G-4 and G-4-1 on
the Use of Oxygen.5

3. Summary of Test Method

3.1 A sample is injected into a combustion tube maintained
at about 800°C having a flowing stream of gas containing

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