Additional Acids Standard Back Catalog number: 94207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674788 PSA-C18-Mix 1 Price on request 1166.12-K-IO 2,2,7,7-Tetramethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1071-31-4 Price on request 679820 Sulfaquinoxaline sodium salt, 100 µg/ml, Methanol Price on request