NILE CHEMICALS

SPADNS  GR
   
2( p-Sulphophenylazo )  
1,8-dihydroxynaphthalene-3,6-disulphonic  
acid trisodium salt  
   
C16H9N2O11S3Na3   M.W.  570.42  
   
( A complexometric indicator for   
zirconium and thorium and fluoride )  
   

 

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