p-n-Nonylphenol Diethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

Butralin, 10.0 µg/ml, Ethyl acetate, 10ml

2,3,3',4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,