Alachlor OA, 100µg/ml in MeOH, 1ml Back Catalog number: MET-11043EM1-1ML Availability: In the manufacturer's stock Price on request - + Recommended 9019.4-100-AN 1,4-Dinitrosopiperazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 140-79-4 Price on request S-4748-ASS-5AC Custom mix of naphthalenes, diluted Same components as S-4747, at lower concentrations 0711.10 Naphthalene 92µg/mL 0713.11 2-Methylnaphthalene 233 0721.12 1,2-Dimethylnaphthalene Price on request S-4052-500-10LW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request