Silica (SiO2) Back Catalog number: 54169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4526-K-IO Organotin Standard Mixture 7 -Tin Ethyl Derivatives 5x1mL 1000 µg/mL in isooctane (basert on total mass) Mono-n-butyl triethyltin 2119.10 Dibutyl diethyltin 2120.12 Ethyltributyltin 1886.14Monophenyl triethyltin 2118.12 Diphenyl diethyltin 2117.6 Price on request 2192.8-50-ME Perfluoro-4-ethylcyclohexane sulfonic acid, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-24-0 Price on request 9439.8-100-AN Demeton O Price on request