WP Amp 1 Trace Elements - Cal Check

Bisphenol S (13C12, 98%), 100µg/mL in MeOH, 1,2ml

Molybdenum, 1000µg/ml in in 0.5%-NH4OH / H2O,100ml

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