It is the Carbolic Acid(Carbol Fuchsin).


                                                                                              
                    "RODRIGUEZ, RICHARD"                                                      
                    <RICHARD.RODRIGUEZ@s        To:     histonet@pathology.swmed.edu          
                    pcorp.com>                  cc:                                           
                                                Subject:     Kinyoun's Method for Acid fast   
                    06/29/00 02:13 PM           Bacteria                                      
                                                                                              
                                                                                              



     We would like to know if anyone knows what purpose the melted phenol
     crystals serve in the recipe from the AFIP manual for the Basic
     Fuchsin for Kinyoun's method.
     Is it part of the stain or is it used as a preservative?

     Thanks for your help

     Richard Rodriguez
     Schering-Plough Research Institute
     Lafayette, NJ