2-Isopropylthioxantone, certified, 0.1g

Ibuprofen, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 15687-27-1

Di-n-butyldi-n-pentyltin,1000 µg/mL,isooctane,1mL

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1