Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: [Homebrew_PCBs] Exposing Photoresist and Some Boards I have built

2008-02-18 by Russell Shaw

Myc Holmes wrote:
> According to the Arm and Hammer website, Super Washing soda is Sodium
> Carbonate.
> 
> This is different than Baking 'soda -- SodiumBiCarbonate.

SodiumBiCarbonate (NaHCO3) is actually sodium-hydrogen carbonate because one
sodium (Na) is replaced with a hydrogen. Sodium Carbonate is Na2CO3.

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.