Gadolinium (Gd) Back Catalog number: 56064 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53120 EPA Method 353.2 Nitrate + Nitrite Price on request T-PFOS Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol Price on request S-4662-ASS-ACX40 Custom Mix of 4-nonyl- and 4-t-octylphenol 2044.15 4-Nonylphenol (mix of isomers) 350 ng/mL 1446.14 4-tert-Octylphenol 300ng/mL Price on request