i had conducted quantitative assay of phosphate solubilization and estimated the solubilized phosphate with change in ph at 3rd day 5th day 7th day and 9th day for 11 bacterial isolates. now i have to graphically represent the obtained data using two y-axis line graph( concentration of solubilized P on y-axis, days on x-axis and pH on another y-axis).
suggeste me any application and some steps so i can create graph.