pH 1.0 Standard @ 25°C

n-Butyltri-n-pentyltin,1000 µg/mL,isooctane,1mL,

Dinocap, 100 µg/ml, Acetonitrile, 1ml

2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane