Common Anions EPA 300A Mix Back Catalog number: 59422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1935.5-1ML N-Methylbis(trifluoroacetamide), neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 685-27-8 Price on request 92078 THM Standard Price on request 1558.6-5G n-Hexane-d14,neat,neat,5g, Price on request