Pentachlorophenol, certified, 0.1g

D5-Acetochlor ESA sodium salt, 10mg

ISO 9377-2 Stearyl Stearate Solution for Comparison Unit: 1mL for direct GC-comparison Stearyl stearate test solution, 2mg/mL (S-4134) 0.5mL Extraction agent (pentane) 24.5mL

Mepanipyrim-2-hydroxypropyl, 10mg