SemiVolatile in Water PT Back Catalog number: 38231 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0735.18-500-IO 2,3-Dimethyl-5-(4-methylpentyl)naphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 204256-07-5 Price on request 680919 Estriol, 10 µg/ml, Acetonitrile, 10ml Price on request 58033 Arsenic (As) Price on request