i've been wondering about de-ionized vs distilled. steam distillation will kill/disable/destroy most any virus or other microbe, correct? then ozonation as a last step at bottling should finish off whatever survived or got in since distillation.
de-ionizer resin removes dissolved solids that are ionic, giving a TDS reading close to zero. used as the last stage in a Reverse Osmosis (RO) system (except for a "polish" cartridge to catch stray resin fines from the DI) where the other cartridges include sediment 1micron, KDF-55, GAC, & a carbon block 0.5micron all before the RO membrane ... i get water that reads 0.4ppm or 0.7uS (with a com-100). that's about half the reading from the whole foods Fox Ledge DW that's otherwise the best around here. this DI/RO water makes crystal clear CS but it's not as stable over the first two days as that CS made from the DW ... the meter reading drops by about half, whereas with DW it drops less than 1/3. i wonder just what might be getting through this RO-DI system that doesn't get through distillation? live microorganisms come to mind... like virus and mycoplasma would be small enough (?) if they haven't been killed already by the chlorine in the pipes. i wonder if it would be of any advantage to add an ultraviolet sterilizer stage to the filter? for making CS, i wonder if ozonating the water first, then letting the ozone fizz out, would change anything?...that's something i can try...raises another question: my ozone generator uses a silica gel air dryer at the inlet to reduce nitrous compound production; will ozonated water when fizzed out still have any nitric acid or anything ugly in it from the impure ozone that'll react with the silver??? i'm overall very happy with this filter setup for CS use, but the stability question nags at me. now i'm thinking i might add a 2nd DI cartridge in series. [...bobL: ] -----Original Message----- From: Trem [mailto:[email protected]] Sent: Thursday, March 27, 2008 1:29 PM To: [email protected] Subject: Re: CS>Deionized Water for CS It is and is usually much lower in mineral content. Using two deionizing filters in series will produce ultra pure water suitable for use in silicon chip manufacturing....or for making very high quality EIS. Trem ----- Original Message ----- From: Nenah Sylver To: [email protected] Sent: Thursday, March 27, 2008 11:15 AM Subject: Re: CS>Deionized Water for CS I would think that deionized water is the same as distilled, if the word is a description of what it really means. Nenah
