Oxalic Acid (C2H2O4) Back Catalog number: 54596 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA12537010AC Diclofenac D4 acid (phenyl D4), 100 ng/µl, 1.1ml Price on request 80421 EPA Method 8040A Analytes Mix “A” Price on request 50810 Salinity 35 Ions in Seawater Price on request