Naphthalene-d8, 1000µg/ml in MeOH, 1ml Back Catalog number: 70223 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675717 Chlormephos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 681491 13C3-Caffeine, 100 µg/ml, Methanol, 1ml Price on request 59391 Chlorite (ClO2-) Price on request