Analytical grade reagent and distilled water would used throughout the study. All glass ware and plastic container used were washed with detergent solution followed by 20% nitric acid and then raised with top water and distilled water.
Analytical grade reagent and distilled water would usedthroughout the study. All glass ware and plastic containerused were washed with detergent solution followed by 20%nitric acid and then raised with top water and distilled water.