QuEChERS Internal Std Mix for GC/MS Analysis, 50µg/ml, Acetonitril, 5ml

Cъстав: PCB 18 (37680–65–2), 50 μg/mL PCB 28 (7012–37–5), 50 μg/mL PCB 52 (35693–99–3), 50 μg/mL Triphenylmethane (519–73–3), 10 μg/mL Triphenylphosphate (115–86–6), 20 μg/mL Tris-(1,3-dichloroisopro­pyl)phosphate (13674–87–8), 50 μg/mL