1,5-Naphthalenedisulfonic Acid Tetrahydrate, 25g

4-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-30-2

Cypermethrin, 10µg/mL in Isooctane, 10ml

Bromocyclen,100 µg/mL,acetonitrile,1mL,