DL-Methadone-d9 hydrochloride

2,3,4,5-Tetrachloroanisole, 100 µg/ml, Methanol,

Calcium Hardness

ISO 9377-2MOD Stearyl Stearate Solution for Comparison 0,5ml Stearyl stearate test solution (S-4517) with 24,5ml Extraction solvent (n-Pentane) Unit: 1mL for direct GC-Comparison