ASTM D1387-90 Column Resolution Test Standard

Parathion-methyl, 100µg/mL in Acetonitrile, 1ml

2,4-D-2-ethylhexyl ester, 100mg

Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 53469-21-9