1、Designation:D823019Standard Test Method forMeasurement of Volatile Silicon-Containing Compounds in aGaseous Fuel Sample Using Gas Chromatography withSpectroscopic Detection1This standard is issued under the fixed designation D8230;the number immediately following the designation indicates the year o
2、foriginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method is primarily for gas-phase siloxanecompounds pre
3、sent in biogas and other gaseous fuel samples atppmv and high ppbv concentrations.It may also be applicableto low ppbv concentrations under certain circumstances.1.2 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user
4、 of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the
5、 Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D4150 Terminology Relating to Gaseous Fuels2.2 Government Documents:Compendium M
6、ethod TO-15 Determination of Volatile Or-ganic Compounds(VOCs)in Air Collected in Specially-PreparedCanistersandAnalyzedbyGasChromatography/Mass Spectrometry(GC/MS)3NIOSH Manual of Analytical Methods(NMAM)-4thEdition Development and Evaluation of Methods43.Terminology3.1 DefinitionsFor definitions o
7、f general gaseous fuelterms used in this test method,refer to Terminology D4150.3.2 Definitions of Terms Specific to This Standard:3.2.1 analytical sequence,ndescribes how and the orderthat field and QC samples in an analytical batch are analyzed.3.2.2 calibration standard(ICAL),na mixture of ananal
8、yte at a known concentration prepared from a primarystock.3.2.2.1 DiscussionA calibration standard is analyzed atvarying concentrations and used to calibrate the response of themeasurement system with respect to analyte concentration.3.2.3 Continuing Calibration Verification(CCV)Standard,na solution
9、(or set of solutions)of known analyte concen-tration used to verify freedom from excessive instrumentaldrift;the concentration is to be near the mid-range of a linearcalibration curve.3.2.4 gas phase sample,na direct-injection sample thathas been collected in a device such as a summa canister orTedl
10、ar bag.3.2.5 Initial(or Independent)Calibration Verification(ICV)Standard,na solution(or set of solutions)of known analyteconcentration used to verify calibration standard levels;theconcentration of analyte is to be near the mid-range of thecalibration curve that is made from a stock solution having
11、 adifferent manufacturer or manufacturer lot identification thanthe calibration standards.3.2.6 integration filter,na mathematical operation per-formed on an absorbance spectrum for the purpose of convert-ing the spectrum to a single-valued response suitable forrepresentation in a two-dimensional ch
12、romatogram plot.3.2.7 internal standard,na non-analyte element,presentin all calibration,blank,and sample solutions,the signal fromwhich is used to correct for non-spectral interference orimprove analytical precision.3.2.8 laboratory control sample(LCS),na laboratorycontrol sample is an analyte-free
13、 matrix to which a knownquantity of analyte is added.3.2.8.1 DiscussionThe LCS is subjected to the same1This test method is under the jurisdiction ofASTM Committee D03 on GaseousFuels and is the direct responsibility of Subcommittee D03.05 on Determination ofSpecial Constituents of Gaseous Fuels.Cur
14、rent edition approved June 1,2019.Published August 2019.DOI:10.1520/D8230-19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe AS
15、TM website.3Available from U.S.Environmental Protection Agency,109 T.W.AlexanderDrive,Durham,NC 27709,https:/www.epa.gov.4Available from The National Institute for Occupational Safety and Health(NIOSH),https:/www.cdc.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocke
16、n,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 processing as field samples and is carried through the entireanalytical process.The percent recovery of the analytes in theLCS is used to assess method per
