Fig. 5. Final oxalate-extractable fluoride (Fox) and total fluoride (Ftot) resident concentration profiles (a, b) and net Fox and Ftot accumulation profiles (c, d) after fluoride leaching in Column 1.
Fig. 5. Final oxalate-extractable fluoride (Fox) and total fluoride (Ftot) resident concentration profiles (a, b) and net Fox and Ftot accumulation profiles (c, d) after fluoride leaching in Column 1.