Hello,

You can use Excel or software DIAGRAMMES

Already discussed in Research gate

You can use excel or MATLAB.

You can use excel sheet

You can also use Aquachem software for wilcox diagram.

Thank you every body for answering the question. I've got some effective answer. Thank you again for going through the question and answer.

you can plot the Wilcox diagram with "Diagrammes" or "aquachem"