- Amorphous urates can be dissolved in dilute sodium hydroxide.
- Amorphous phosphates will dissolve in dilute acetic acid.
In either case, the bacteria will remain.
In the lower image (which has a higher magnification than the upper image), the addition of dilute acetic acid has removed the amorphous phosphates. The nuclei of the WBC's appear prominent. The blue arrows are pointing to bacilli.