Yahoo Groups archive

Homebrew_PCBs

Index last updated: 2026-03-31 23:13 UTC

Message

Re: [Homebrew_PCBs] Re: calcium carbonate, HF acid...

2013-03-19 by Duane C. Johnson

HF

Hydrofluoric acid

Really wicked and useful stuff.

http://en.wikipedia.org/wiki/Hydrofluoric_acid

Duane

--
Home of the $35 Solar Tracker Receiver
http://www.redrok.com/led3xassm.htm [*]
Powered by \ \ \ //|
Thermonuclear Solar Energy from the Sun / |
Energy (the SUN) \ \ \ / / |
Red Rock Energy \ \ / / |
Duane C. Johnson Designer \ \ / \ / |
1825 Florence St Heliostat,Control,& Mounts |
White Bear Lake, Minnesota === \ / \ |
USA 55110-3364 === \ |
(651)426-4766 use Courier New Font \ |
redrok@... (my email: address) \ |
http://www.redrok.com (Web site) ===

Attachments