CLP Calibration Standard Back Catalog number: 52155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677143 D4-1,4-Dichlorobenzene, 10.0 µg/ml, Methanol, 10 Price on request DPE-77 3,3',4,4'-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, toluene Price on request 57145 Discontinued Price on request