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Chemestry Question

Author: jim lande
Date: 2005-12-14 02:03

A while back there was a thread with the suggestion that one could dissolve a pivot screw using alum and not hurt the post. Apparently this is an old clock repair trick.

Nobody sells pickling alum any more. (Apparently the fact that it is mildly poisonous is being taken more seriously.) I bought a pound of Potassium Aluminum Sulfate, which is a slightly different type of alum. It us used as a mordent.

Don, Doctor Slick, Others --- please advise before I do something bad.

Will it dissolve the steel screw?

Will it hurt the silver plated brass/nickel post.

Do I just make a saturated solution using a bit of water and heat?

I promise to wash my hands and not pick my nose and wear glasses. Any other safety precauctions?

Thanks.

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Author

Date

Chemestry Question

jim lande

2005-12-14 02:03

Re: Chemestry Question new

ron b

2005-12-14 02:57

Re: Chemestry Question new

Shorthand

2005-12-14 03:03

Re: Chemestry Question new

jim lande

2005-12-15 01:56

Re: Chemestry Question new

Mark Charette

2005-12-15 02:53

Re: Chemestry Question new

Fred

2005-12-14 03:26

Re: Chemestry Question new

ron b

2005-12-14 04:17

Re: Chemestry Question new

Bassie

2005-12-14 10:16

Re: Chemestry Question new

Gordon (NZ)

2005-12-14 10:46

Re: ChemIstry Question new

Don Berger

2005-12-14 12:54

Re: Chemistry Question new

Gordon (NZ)

2005-12-15 00:04

Re: Chemestry Question new

ron b

2005-12-15 00:40

Re: Chemestry Question new

ron b

2005-12-15 03:52

Re: Chemistry Question new

Gordon (NZ)

2005-12-15 08:59

Re: Chemistry Question new

Mark Charette

2005-12-15 10:58

Re: Chemestry Question new

BobD

2005-12-15 10:41

Re: Chemestry Question new

BobD

2005-12-15 13:55

Re: Chemestry Question new

Gordon (NZ)

2005-12-15 14:26

Re: Chemestry Question new

Mark Charette

2005-12-15 14:33

Re: Chemestry Question new

Gordon (NZ)

2005-12-15 22:37

tiny burr in my dentist drill new

jim lande

2005-12-19 02:10

Re: tiny burr in my dentist drill new

Gordon (NZ)

2005-12-19 14:01

Re: Chemestry Question new

BobD

2005-12-19 14:32

Re: Chemistry Question new

Gordon (NZ)

2005-12-19 20:08

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