Calibration Standard Kit Back Catalog number: 52090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9013 Anthracene Price on request CA16057900 1,3-Phenylenediamine, certified, 0.1g Price on request 11705.12-100-IO 2,3',4',5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request