[Jewelry making - Article 00335] - Re: [Orchid] Diluting Nitric acid

[Katherine Palochak]

========[ Invite a Friend - http://www.ganoksin.com/invite.htm  ]========

    I just read your posting on trying to etch silver plate over nickel.
    Your solution is probably too strong to be the most effective. You
    need to get your solution down to 10%-30% strength. Use distilled
    water, not tap water; acid into water. 

    Now then, to rain on your parade--no one who hasn't had *chemical
    hazard* training and access to a fully equipped lab setting, with an
    eye wash station and dump shower, should be using the highly caustic
    acids. There is just too much potential for a serious accident,
    particularly with your lung tissue. Please consider using a safer
    alternative, such as ferric nitrate. It has a slower etch, yes, but
    the nice advantage is that it will stop when it gets to the nickel.
    Useful for multiple metal laminations, say when you want a contrast
    situation, or to remove some material in mokume, so there is more
    relief contrast.

____________________________________________________________________
T h e   O r c h i d   L i s t
Open Electronic Forum for Jewelry Manufacturing Methods and Procedures
____________________________________________________________________
Orchid FAQ:
~ http://www.ganoksin.com/orchid/faq.htm
Orchid Archives:
~ http://www.ganoksin.com/orchid/archive
Orchid Galleries:
~ http://www.ganoksin.com/orchid/gallery.htm
Invite a Friend:
~ http://www.ganoksin.com/invite.htm
____________________________________________________________________
Tips From The Jeweler's Bench - Article Archive
~ http://www.ganoksin.com/borisat/tip_sear.htm
The Jeweler's Selected Bibliography List
~ http://www.ganoksin.com/jewelry-books
Buy Orchid Jewelry:
~ http://www.ganoksin.com/shop
____________________________________________________________________
-Unsubscribe:
-Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank
____________________________________________________________________