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| Figure 1: FTIR of polymethacrylic acid and poly phosphoric acid ammonium 
      salt blend at different Gamma irradiation dose (KGy). a) 10 KGy irradiation dose and 0.1% PAC b) 20 KGy irradiation dose and 0.1% PAC c) 20 KGy irradiation dose and 0.2% PAC d) 20 KGy irradiation dose and 0.3% PAC  |