Petrochemical Standards
ASTM™ D5442 C12-C60 Quantitative Linearity Standard, Sold by MilliporeSigma™ Supelco™
ASTM(R) D5442 Quantitative Linearity Standard consists of mixes of n-paraffins used for determining column resolution, retention times, response factors, and internal standard preparation. Each component is 0.01% (w/w) in cyclohexane.
ASTM™ D5307 Crude Oil, Quantitative Standard 6.25% (w/w) Each Component, MilliporeSigma™ Supelco™
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™ D5442 C12-C60 Qualitative Retention Time Mix, 6.25% (w/w) Each Component, Analytical Standard, MilliporeSigma™ Supelco™
ANALYSIS OF PETROLEUM Waxes BY GC - Qualitative and quantitative mixes of n-paraffins are used for determining column resolution, retention times, and response factors.
ASTM™ D4815 Valve Timing Mix, 10% (w/w) Analytical Standard, Sold by MilliporeSigma™ Supelco™
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%.
C7 - C30 Saturated Alkanes, Certified Reference Material, 1,000 μg/mL Each Component in Hexane, MilliporeSigma™ Supelco™
Quantitative standard suitable for use as a retention index marker probe.