Method 8430 Calibration Mix Back Catalog number: 82484 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-SS-A20 Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 20ng/ml, nonane Price on request 71426 3,4,5,6-Tetrahydro-2-pyrimidinethiol Price on request 59417 Cations Mix + N-Methyldiethanolamine Price on request