It is important to clarify that when 0% of O2 is referred, in fact a residual amount of 0.5 ± 0.2% of O2 is meant, which is necessary to avoid an anaerobic environment, thus preventing the growth of anaerobic bacteria.
It is important to clarify that when 0% of O2 is referred,in fact a residual amount of 0.5 ± 0.2% of O2 is meant, which is necessaryto avoid an anaerobic environment, thus preventing thegrowth of anaerobic bacteria.