L-Cystine

n-Heneicosane-d44, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39756-37-1

Aromatics Quantitative Calibration Mixes (with Internal Standard) 5 Analytes + 2-hexanone as internal standard, each Wt.% as listed in isooctane; unit: 5x1mL one of each Std. Analyte Analyte Std. 1 Std. 2

o-Xylene