2.3 Study of the conditions for guava leaf extract-iron complex formation
Mixtures of guava leaf extract and iron solution were scanned for absorption spectra, measured against each medium, in the visible region 400-700 nm using a UV-vis spectrophotometer (Lambda 25, Perkin-Elmer)
Study of stability of guava leaf extract
Apparatus
Manifold designs
Normal FI system
Reverse FI syste
Column FI system