I just picked some of this up - Solution B is indeed High Strength h202, but Part A of my kit was Sodium Hydroxide, so a double bonus, more photoresist developer :) 7.99 at home depot (KleanStip Wood Bleach in a box in the paint dept.) --- In Homebrew_PCBs@yahoogroups.com, mpdickens <md30022@y...> wrote: > > > Adam Seychell <adam_seychell@y...> wrote: > > Hello Adam, > > You can get 30% h202 from the hardware store. I purchase it at home depot > for $ 7.00 for 16 ounces. Look for the two part kit used to bleach wood. > It is composed of trisodium phosphate (first part) and 16 ounces of 30% > h202 (second part). > > Best regards > > Marvin Dickens > > > Registered Linux User No. 80253 > If you use linux, get counted at: > http://www.linuxcounter.org > > --------------------------------- > Do you Yahoo!? > Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes > > [Non-text portions of this message have been removed]
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Re: Etching Chemicals
2004-01-19 by cdaw01
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