2,3,3',4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Roxithromycin

9-Carboxynonyl-7-carboxyheptyldimethyl-d6 ammonium bromide,neat,neat,10mg,

EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL)