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PREPARATION OF CALCIUM OXIDE FROM Achatina fulica AS CATALYST FOR PRODUCTION OF BIODIESEL FROM WASTE COOKING OIL | Lesbani | Indonesian Journal of Chemistry 21302 40388 1 PB

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Fig 1. The XRD pattern of decomposition °C, (c) 700 °C, (d) 800 °C, (d) 900 °C Achatina fulica at various temperatures: (a) Achatina fulica shell, (b) 600
Table 1. XRD data of CaO, Ca(OH)2 and CaCO3
Fig 2. FTIR spectra of decomposition Achatina fulica at 700 °C

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