2,2'-Dihydroxy-4-methoxybenzophenone, 250mg

Thionazin, 10.0 µg/ml, Acetonitrile, 10ml

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

7-Hydroxy-1,3-naphthalenedisulfonic acid dipotassi