Readily available acidity in schwertmannite
Vithana, C, Sullivan, LA, Bush, RT & Burton, ED 2011, 'Readily available acidity in schwertmannite', paper presented to Goldschmidt Conference,Prague, Czech Republic, 14-19 August.
Schwertmannite and jarosite are considered as less soluble ironhydroxy sulfate minerals which are present in highly acidic environments (pH < 3). These minerals release acidity in the long run as they weather by hydrolysis . However, 1M KCl extraction of soil samples (Clarence and Quartz) spiked with those two minerals showed that schwertmannite has some acidity that may be readily available.