Mercury - DSC calibration standard, 2,5g Back Catalog number: NIST-2225 Availability: In the manufacturer's stock Price on request - + Recommended 8354.12 3-Hydroxy-2,2',3,4',5,5',6-heptachlorobiphenyl, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 679448 Heptachlor endo-epoxide, 100 µg/ml, Methanol, 1m Price on request 50413 Metals Mix 5B Price on request