Tetradifon, 100 µg/ml, Acetonitrile, 5ml

pH 10.01 buffer solution (box of 25x20mL sachet)

5-Ethyl-2-methylpyridine,neat,neat,10mg

2-Ethylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3131-63-3