Diosmin for system suitability, 5mg

Trifluoroacetic acid, 50µg/ml in MeOH, 1,2ml

Pesticides - Sandy Loam 4, 50g

2,4,5-Trichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 95-95-4