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    • Effect of NaOH concentration on microstructure of boiler ash based geopolymer 

      Zarina, Yahya; Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Khairul Nizar, Ismail; Abdul Rahim, Abdul Razak (Trans Tech Publications Ltd., 2015)
      Boiler ash is one of the waste material from palm oil processing industry and it was widely available. The role of alkaline activator in geopolymer is important for its mechanical properties. NaOH and sodium silicate ...