3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyltetrazolium Bromide, >98%, 1g

EPA Method 642 - Analytes

1-Naphthaleneacetic acid, 1000µg/ml in Acetone, 1ml

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