ISO 18857-1 4-n-Nonylphenol solution, Calibration standard

1,2,3,4,6,7,8-Heptabromodibenzofuran,50 µg/mL,n-nonane,1mL,

Anion Standard

N-(3-dimethylaminopropan-1-yl)perfluoro-1-hexanesulfonamide, 1.2ml x 50ug/ml, methanol