D3-1,3,5-Trimethylbenzene, 200 µg/ml, Methanol,

ISO 8165-2 Internal Control Stock Solution 2 S-4356 2,5-Dibromophenol [28165-52-8] 2470,6, 10 µg/mL in methanol, 5ml

Propionitrile

Internal Standard Stock Solution, 1.2ml, nonane