PSA-Mix 1

Al, 1000 µg/mL in 2% HNO3, 100ml

4-Nonylphenol-di-ethoxylate, 50 µg/ml, Acetone,

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