Petrochemical Standards
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%.
EN 14105/D6584 Monoglyceride Stock Solution, 10 mg/mL Each Component in Pyridine, Analytical Standard, MilliporeSigma™ Supelco™
Sigma Life Science is committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency and waste prevention. For more information see the article in biofiles.
ASTM™ D2887 Reference Gas Oil Analytical Standard, Sold by MilliporeSigma™ Supelco™
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.
TraceCERT™ Tetrachloroethene Solution, 200 μg/mL in Methanol, MilliporeSigma™ Supelco™
Tetrachloroethene is a colorless liquid having an ethereal odor, which can find applications as a chemical intermediate and dry cleaning agent. It can also undergo reductive dehalogenation in the presence of an anaerobic bacterium to yield cis-1,2-dichloroethene.
ASTM™ D5307 Crude Oil Internal Standard, Certified Reference Material, MilliporeSigma™ Supelco™
Equal weights of the hydrocarbons listed. Add to the crude oil sample as the internal standard.
C8-C40 Alkanes Calibration Standard in Dichloromethane (varied), MilliporeSigma™ Supelco™
Qualitative standard. May require warming before use.
BTEX/MTBE Mix, HC, Certified Reference Material, 2,000 μg/mL Each Component in Methanol, MilliporeSigma™ Supelco™
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
n-Paraffin Mix C7, C8, C9 & C10 Analytical Standard, Sold by MilliporeSigma™ Supelco™
May be used for determining column resolution, retention times, and response factors.