Mixed Calibration Standard 5 Back Catalog number: 53057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1369-S 1,3,6,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 678385 Diafenthiuron, 100 µg/ml, Acetonitrile, 1ml Price on request 97077 Methyl acetate Price on request