Bentazon-d7 (isopropyl-d7),100 µg/mL,acetonitrile,1mL,

18O4-Sodium perchlorate, 100 µg/ml, Water, 1ml

PAH Stock Solution 2 Compound Prod.no CAS no. gram/liter Naphtalene 0711,10 90-20-3 7,649 2-Methylnapthalene 0713,11 91-57-6

Metals Mix