The absorption spectra of the PCE solutions with and with out a metal sample and also the blank Resolution that contains steel had been recorded at home temperature using a UV-Vis spectrophotometer (Jasco product V-730, Tokyo, Japan). The spectra ended up measured during the range between two hundred to 800 https://2-fahcl85295.blog-gold.com/35988215/not-known-facts-about-2-fa-hcl