Perfluorooctane sulfonic acid

EPA O-FID Quantitative Calibration Mixes (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; unit: 5x10mL one of each Std. Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std. 5

Salicylic acid, 250mg

Reference Mixture VI 11 Analytes, each 200 ppm in methanol (Spectrograde); unit: 10x10mL 1381,2Methyl formate 1376,4 1-Butanol 1370,5 3-Pentanone 1382,2 Ethanol 1377,4 2-Butanol 1378,6 1-Hexanol 1373,7 1-Heptanol 1369,6 3