Calibration Standard Kit Back Catalog number: 53090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-23-S 2,3-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 673619 gamma-HCH, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 1434.12-100MG 2,6-Diisopropylphenol Price on request