Valeraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml

Propylparaben-d4, 1mg

EPA 604 Calibration Mixture 11 Analytes, each 500µg/mL in methanol; unit: 1x1mL (2,4-Dinitrophenol and 4,6-dinitrocresol at concentration 1000µg/mL) 2071.7 4-Chloro-3-methylphenol [59-50-7] 2062.6 2-Chlorophenol [95-57-8] 2064.6 2,4-Dichlorophenol [

Nitro-PAH Mixture 1 1106,14 9-Nitroanthracene [602-60-8] 1278,16 2-Nitrofluoranthene [13177-29-2] 0025,16 3-Nitrofluoranthene [892-21-7] Concentration: 1000 ppm in Toluene Units: 1mL ampoules