1.1 This test method covers the quantitative determination of saturates, olefins, aromatics and oxygenates in spark-ignition engine fuels by multidimensional gas chromatography. Each hydrocarbon type can be reported either by carbon number (see Note 1) or as a total.<\/p>\n
Note<\/span> 1There can be an overlap between the C 9<\/sub> and C 10<\/sub> aromatics; however, the total is accurate. Isopropyl benzene is resolved from the C 8<\/sub> aromatics and is included with the other C 9<\/sub> aromatics.<\/p>\n 1.2 This test method is applicable to spark-ignition engine fuel with total aromatic content up to 50 % (V\/V), total olefinic content up to 30 % (V\/V) and oxygen compounds up to 15 % (V\/V).<\/p>\n 1.3 This test method is not intended to determine individual hydrocarbon components except benzene.<\/p>\n 1.4 Oxygenates as specified in Test Method D 4815 have been verified not to interfere with hydrocarbons. Within the round robin sample set, the following oxygenates have been tested: MTBE, ethanol, ETBE, and TAME. Other oxygenates can be determined and quantified using Test Method D 4815 or D 5599 .<\/p>\n 1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.<\/p>\n 1.6 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.<\/span><\/p>\n D6839-02(2007) Standard Test Method for Hydrocarbon Types, Oxygenated Compounds and Benzene in Spark Ignition Engine Fuels by Gas Chromatography<\/b><\/p>\nPDF Catalog<\/h4>\n
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\n PDF Pages<\/th>\n PDF Title<\/th>\n<\/tr>\n \n 1<\/td>\n Scope
Referenced Documents
Terminology <\/td>\n<\/tr>\n\n 2<\/td>\n Summary of Test Method
Significance and Use
Interferences
Apparatus
FIG. 1 <\/td>\n<\/tr>\n\n 3<\/td>\n Reagents and Materials
TABLE 1 <\/td>\n<\/tr>\n\n 4<\/td>\n TABLE 2 <\/td>\n<\/tr>\n \n 5<\/td>\n Preparation of Apparatus
Standardization
Procedure
TABLE 3 <\/td>\n<\/tr>\n\n 6<\/td>\n FIG. 2
FIG. 3
FIG. 4 <\/td>\n<\/tr>\n\n 7<\/td>\n Calculation
FIG. 5
FIG. 6
FIG. 7 <\/td>\n<\/tr>\n\n 8<\/td>\n Report
Precision and Bias
TABLE 4
TABLE 5 <\/td>\n<\/tr>\n\n 9<\/td>\n Keywords
TABLE 6
TABLE 7
TABLE 8
TABLE 9
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