Base/Neutral Standard Back Catalog number: 93175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4189-ASS-10RF EPA O-FID Quantitative Calibration Check Standard (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Methanol 4.0Methyl tert-butyl eth Price on request 1049.14-K-IO Anthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-12-7 Price on request 1125.20-K-IO 1,3-Diphenylbenzo[c]thiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-39-6 Price on request