Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml

Tris-(2-chloropropyl)phosphate, 100 µg/ml, Methan

Campesterol, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 474-62-4

Potassium (K)