phys chem properties At Ayurka Research Lab, we test the physicochemical properties of various pesticides. The list of physical and chemical properties that we test in our laboratory are: Acidity / Alkalinity Cold test Degree of dispersion Emulsion Stability Flash Point Loss on drying (LOD) Material Insoluble in Acetone Melting Point Odor Persistence Foam pH Range Physical State Pourability Solubility in Water Solubility in Organic Solvents Specific Gravity Spontaneity of Dispersion Suspensibility UV-Visible absorption spectra Wettability Wet Sieve Analysis