Perfluoro-5-oxahexanoic acid (PFMBA), 1.2ml x 50ug/ml, methanol

2',3,4-Trichlorobiphenyl (33)

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

4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone,