KCl, trans-Aconitic acid & Na Phosphate Mix Back Catalog number: 50293 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-123489-S 1,2,3,4,8,9-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 1699.20-K-T 1-n-Butylpyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 35980-18-8 Price on request 59919 Spike Solution #1B Price on request