pH is a figure expressing the acidity or alkalinity of a substrate on a logarithmic scale on which 7 is neutral, lower values are more acid and higher values more alkaline. ph contians both anions and cations, that is both positive as well as negatively charged particles. The cations are the positively charged particles, which will be attracted towards the negatively charged particles, and levofloxacin have both Gram positive and negative which the ph can well attached thus absorbing them from chicken