Multi-Element Calibration Standard-4 Back Catalog number: 50013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A634960 Ammonium Perfluoro(2-methyl-3-oxahexanoate), 100mg Price on request 8966.25-100-ME 3-Chloro-1,2-propandiol-2-monoerucidate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 50035 Sodium Bromide (Br-) Price on request