Niacinamide Back Catalog number: 72215 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4140-50-IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request 673559 alpha-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10m Price on request S-4175-SETX5 Oxygenated Quantitative Calibration Mixtures (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane/xylene (65:35); unit: 5x1mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4 Price on request