On Wed, 2002-10-30 at 21:27, Randall Clague wrote: > On Wed, 30 Oct 2002 18:29:42 -0600, John Carmack > <[EMAIL PROTECTED]> wrote: > > >As I understand it, every single concentration process performs > >incrementally, so you just stop concentrating when you are at the level you > >want... > > The fractional freezing is working fairly well - kudos to all involved > - and produces peroxide well in excess of 85%. I don't remember the > actual concentration, but we've been diluting it to 85% for use in > KISS.
In the interest of reporting our results: Our purification process currently yields 99% H2O2 by concentration with <1 ppm total dissolved solids. This is from various concentrations roughly 80%-98%. Dave _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
