Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11887.13-K-AN Procaine hydrochloride,1000 µg base/mL,acetonitrile,1mL, Price on request ACQ-AQ20-115 Ethanol standard in water,2.0g/L,water, 1.5mL Price on request S-4035-0-IOX5 Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request