Metals Calibration Standard Revised Back Catalog number: 50189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2354.8-100-ME Tetraethylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-91-0 Price on request S-4415-20-100PEX5 ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane Price on request 11873.12-100-AN (±)-Fipronil,100 µg/mL,acetonitrile,1mL, Price on request