1% CH4, CO, CO2, C2H2, C2H4 & C2H6 in N2 Analytical Standard, MilliporeSigma™ Supelco™

1% (w/w) each component in nitrogen

n-Paraffin Mix C24, C28, C32 & C36, Certified Reference Material, Sold by MilliporeSigma™ Supelco™

TraceCERT™ Underground Storage Tank (UST) Modified GRO, 1000 μg/mL, Certified Reference Material, MilliporeSigma™ Supelco™

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to the SI through a primary reference material from a NMI. Certified content incl. uncertainty and expiry date are stated on the enclosed certificate.

C1-C6 N-Paraffins in He, 1000 ppm Analytical Standard, MilliporeSigma™ Supelco™

n-Paraffin Mix C5, C6, C7 & C8 Analytical Standard, Sold by MilliporeSigma™ Supelco™

May be used for determining column resolution, retention times, and response factors.

TraceCERT™ Tetrachloroethene Solution, 5,000 μg/mL in Methanol, MilliporeSigma™ Supelco™

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.

Hydrocarbon Mix, Certified Reference Material, 1,000 μg/mL Each Component in Cyclohexane, 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.

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.

TraceCERT™ BTEX Mix, Underground Storage Tank, 200 μg/mL each component in Methanol, MilliporeSigma™ Supelco™

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.

Total Petroleum Hydrocarbons (TPH) Mixture 3 1,000 μg/mL each component in carbon disulfide, MilliporeSigma™ Supelco™

C2-C6 Olefins, 100 ppm Each Component in Helium, Analytical Standard, MilliporeSigma™ Supelco™

1% CH4, CO, CO2, H202 in N2 Gas Mix Analytical Standard, MilliporeSigma™ Supelco™

TraceCERT™ Intermediate Polarity Test Mix, Certified Reference Material, MilliporeSigma™ Supelco™

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to the SI through a primary reference material from a NMI. Certified content incl. uncertainty and expiry date are stated on the enclosed certificate.