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Equal weights of the hydrocarbons listed. Use to determine detector response factors (slight warming of mixture may be necessary to dissolve all components completely.)
ASTM(R) D4815 Valve Timing Mix may be used for the determination of oxygenates (ethers and alcohols) in gasoline by GC. All components used in preparing the standards have been analyzed for purity, water content, and the presence of other method components to 0.01%.
This sample is a petroleum fraction with a boiling range from 250° to 850°F, evaluated in round-robin studies by the ASTM. Use this sample and the supplied ASTM boiling range consensus values to evaluate system performance.
Petroleum Refinery Reformate is analyzed by GC-FID and GC-MS procedures. It is both qualitative and quantitative reference material for evaluating refinery process performance, identifying contamination, method development, PIANO analyses, and training.