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ASTM D7800/D7800M-14

Standard Test Method for Determination of Elemental Sulfur in Natural Gas
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1.1 This test method is primarily for the determination of elemental sulfur in natural gas pipelines, but it may be applied to other gaseous fuel pipelines and applications provided the user has validated its suitability for use. The detection range for elemental sulfur, reported as sulfur, is 0.0018 to 30 mg/L. The results may also be reported in units of mg/kg or ppm.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

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.

1.1 Thistestmethodisprimarilyforthedeterminationofelementalsulfurinnaturalgaspipelines,butitmaybeappliedtoothergaseousfuelpipelinesandapplicationsprovidedtheuserhasvalidateditssuitabilityforuse.Thedetectionrangeforelementalsulfur,reportedassulfur,is0.0018to30mg/L.Theresultsmayalsobereportedinunitsofmg/kgorppm.1.2 ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3 Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
5.1 Elementalsulfurimpactsthequalityofpipelinenaturalgasanddepositsonpipelineflanges,fittingsandvalves,therebyimpactingtheirperformance.Naturalgassuppliersanddistributersrequireastandardizedtestmethodformeasuringelementalsulfur.SomegovernmentregulatorsarealsointerestedinmeasuringelementalsulfursinceitwouldprovideameansforassessingthecontributionofelementalsulfurinpipelinestotheSOxemissioninventoryfromburningofgaseousfuels.UseofthismethodinconcertwithsulfurgaslaboratorytestmethodssuchasTestMethodsD4084,D4468,D5504,andD6228oron-linemethodssuchasD7165orD7166canprovideuserswithacomprehensivesulfurcompoundprofilefornaturalgasorothergaseousfuels.Otherapplicationsmayincludeelementalsulfurinparticulatedepositssuchasdieselexhausts.
SDO ASTM: ASTM International
Document Number D7800
Publication Date Nov. 1, 2014
Language en - English
Page Count 13
Revision Level 14
Supercedes
Committee D03.05
Publish Date Document Id Type View
June 1, 2023 D7800_D7800M-23 Revision
Nov. 1, 2014 D7800_D7800M-14 Revision