Hydroquinone, 100mg

Custom Mix Alkylalkohols and Alkylketones from C2 to C8 18 comounds, assorted concentrations, in methanol, 10x1mL 1320.3 Isopropanol 22 mg/mL 1382.2 Etanol 150 mg/mL 1377.4 2-Butanol 50 mg/mL 1375.3 n-Propanol 40mg/mL 1369.6 3-Hexanon 0.2mg/

Salicylic acid

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