Spiking Standard 5 Back Catalog number: 52067 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10204.9-100MG Ethyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 120-47-8 Price on request 11898.20-K-ME Maprotiline hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 1330.22-100-IO Dibenz[a,h]anthracene-d14, 100µg/ml in Isooctane, 1ml Price on request