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

Calibration solutions (EN 14105) Calibration solution 1 2 3 4 Syringe, µL µL of glycerol solution 10 40 70 100 100 µL of monoolein solution 50 120 190 250 500 µL of diolein soluti

1-Butanol, 5ml

Melamine-13C3,15N3, 1mg