COD Calibration Standard

3ß,17 alpha(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126254-83-9

Aliphatic n-Hydrocarbon Standard

Articaine ,1000 µg/mL,MeOH,1mL,