Calibration Standard Back Catalog number: 59171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676135 Propachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request S-4069-S-2.5LX4 Solvent for ASTM D 664-01 Toluene 50.0 % Isopropanol 49.5 % Water, ionfree 0.5 % Price on request 673391 Monocrotophos, 100 µg/ml, Acetonitrile, 5ml Price on request