Aqueous ethanol control EtOH AQ (5.0g/L), 10 x 3.0ml

2,6,10,14-Tetramethylheptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18344-37-1

Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml

cis-4-(2-Hydroxyphenyl)-2-oxobut-3-enoic acid, Please inquire, Solvent-, Unit , # of units-, Cas.no. 31966-72-0