NILE CHEMICALS
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1 - Naphtholphthalein EXTRA PURE , LABORATORY CHEMICALS, SPECIFICATION

           NILE CHEMICALS

     1 - NAPHTHOLPHTHALEIN

SPECIFICATION

C28H18O4      M.W.  418.45  
Loss on drying ( 105OC ) 2%
pH 7.1 - 8.3
( brownish pink to blue )  
   

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