Ammonia as (NH4+)

Sodium cyclamate, 250mg

Dimethoate, 100 µg/ml, Toluene, 1ml

n-Alkanes mixture C20+C40 1140,20 Eicosane 1160,40 n-Tetracontane Conc: 100µg each/mL in n-Pentane Units: 5mL in Screw-cap bottles