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ASTM D 7621 : 2016 : REDLINE

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Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oils by Rapid Liquid Phase Extraction

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English

Published date

01-01-2016

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CONTAINED IN VOL. 05.04, 2018 Defines procedures (A and B) for the determination of the hydrogen sulfide (H[2]S) content of fuel oils such as marine residual fuels and blend stocks, with viscosity up to 3000 mm[2]s[-1] at 50 degrees C, and marine distillate fuels, as measured in the liquid phase.

Committee
D 02
DocumentType
Redline
Pages
14
PublisherName
American Society for Testing and Materials
Status
Current

1.1This test method covers procedures (A and B) for the determination of the hydrogen sulfide (H2S) content of fuel oils such as marine residual fuels and blend stocks, with viscosity up to 3000 mm2s-1 at 50 °C, and marine distillate fuels, as measured in the liquid phase.

Note 1:Specification fuels falling within the scope of this test method are: ASTM Specification D396, MIL-DTL-16884, and ISO 8217.

1.2Procedure A has been shown to eliminate interferences such as thiols (mercaptans) and alkyl sulfides. Procedure B can give elevated results if such interferences are present (see Annex A2).

Note 2:A procedure for measuring the amount of hydrogen sulfide in crude oil can be found in Appendix X1. Full precision for Appendix X1 has not yet been determined.

1.3Valid ranges for the precision are given in Table 2 and Table 3. Measurements can be made outside these ranges however precision has not been determined.

1.4Samples containing FAME do not affect the measurement of hydrogen sulfide by this test method.

1.5The values stated in SI units are to be regarded as standard. Non-SI units given in parentheses are for information only.

1.6This 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.

ASTM D 6021 : 2012 : R2017 Standard Test Method for Measurement of Total Hydrogen Sulfide in Residual Fuels by Multiple Headspace Extraction and Sulfur Specific Detection
ASTM D 5705 : 2015 : REDLINE Standard Test Method for Measurement of Hydrogen Sulfide in the Vapor Phase Above Residual Fuel Oils
ASTM D 6021 : 2012 Standard Test Method for Measurement of Total Hydrogen Sulfide in Residual Fuels by Multiple Headspace Extraction and Sulfur Specific Detection
ASTM D 8056 : 2016 Standard Guide for Elemental Analysis of Crude Oil

ASTM D 5705 : 2015 : REDLINE Standard Test Method for Measurement of Hydrogen Sulfide in the Vapor Phase Above Residual Fuel Oils
MIL-DTL-16884 Revision P:2017 FUEL, NAVAL DISTILLATE
ISO 8217:2017 Petroleum products — Fuels (class F) — Specifications of marine fuels
ISO 4259:2006 Petroleum products Determination and application of precision data in relation to methods of test
IP 399 : 2016 DETERMINATION OF HYDROGEN SULPHIDE IN FUEL OILS

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