Nitrogen Set for ASTM D6366: N@Blank, 0.1, 0.5, 1.0, 2.5, 5.0, 10ng/μL in p- Xylene, set(7)

Dicofol, 10.0 µg/ml, Ethyl acetate, 10ml

Custom Mixture of saturated biomarker hydrocarbons 3 components, each 12,5µg/mL in isooctane 0609.29 alpha alpha alpha (20R,24R)-24-Ethylcholestane 1321.29 17 alpha(H),21ß(H)-30-Norhopane 0132.30 17 alpha(H),21ß(H)-Hopane

3,4,5-Trimethylheptane