Phloroglucinol-HCl (Wiesner) Staining
Dissolve 0.3 g of phloroglucinol in 10 mL absolute ethanol to prepare a 3% phloroglucinol solution.
Mix one volume of concentrated HCl (37 N) to two volumes of 3% phloroglucinol in ethanol; this solution is phloroglucinol-HCl (Ph-HCl) or Wiesner stain. May 13, 2014
3% Phloroglucinol solution
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