ASTM D2268-93 (1998) Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography. ASTM D2360-11 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography. ASTM D2504-88 (1998) Standard Test Method for Noncondensable Gases in C2 and Lighter Hydrocarbon Products by Gas Chromatography. ASTM D2505-88 (1998) Standard Test Method for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High- Purity Ethylene by Gas Chromatography. ASTM D2597-10 Standard Test method for analysis of demethanized hydrocarbons liquid mixtures containing nitrogen and carbon dioxide by gas chromatography. ASTM D2712-91 (2016) Standard Test Method for Hydrocarbon Traces in Propylene Concentrates by Gas Chromatography. ASTM D4291-93 (1998) Standard Test Method for Trace Ethylene Glycol in Used Engine Oil. ASTM D4492-10 Standard Test method for analysis of benzene by gas chromatography. ASTM D4735-15 Standard Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography. ASTM D5713-05 Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas Chromatography. ASTM D6159-17 Standard Test Method for Determination of Hydrocarbon Impurities in Ethylene by Gas Chromatography. ASTM D6229-06 (2010) Standard Test Method for Determination of the Fraction Numbers of Benzene in hydrocarbon solvents by capillary gas chromatography. ASTM D6563-12 Standard Test Method for Benzene, Toluene, Xylene (BTX) Concentrates Analysis by Gas Chromatography. ASTM D7011-15 Standard Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography and Sulfur Selective Detection. IFP 9801 Detailed analysis of raw materials for selective hydrogenation of C4 fractions and determination of content of 1,3-butadiene in effluent flows by capillary gas chromatography. UOP 411-13 Normal paraffins by subtractive gas chromatography. UOP 744-98 Aromatics in hydrocarbons by gas chromatography. UOP 899-04 Trace hydrocarbons in hydrogen, hydrocarbon gases or LPG by gas chromatography.