p-n-Nonylphenol Diethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

EPA Method 8091Mix #2

N,N-Dimethylguanidine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6145-42-2

C27/C28 Diaromatic steranes, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 110100-53-3 / 369364-82-9