Calibration Standard Kit Back Catalog number: 53090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0150.16-500-IO 4-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-33-4 Price on request XA10331000AL Atrazine-desethyl 100 µg/mL in Acetonitrile, 1ml Price on request 674526 Benzyldimethyldecylammonium chloride, 10.0 µg/ml , Price on request