Re: Test for Silver Metal in Print?

About this list Date view Thread view Subject view Author view Attachment view

From: Richard Urmonas (rurmonas@tpg.com.au)
Date: 10/28/03-02:24:46 AM Z

Quoting Sandy King <sanking@CLEMSON.EDU>:

> How about soaking print in a 3-5% solution of nitric acid, doing
> reflective readings before and after? Would that test for the
> presence of metallic silver?

This suffers the same problem Ryuji mentioned. If the platinum
encapsulates the silver, it could stop it reacting with the acid.

Richard 

-- 
Richard Urmonas
About this list Date view Thread view Subject view Author view Attachment view

This archive was generated by hypermail 2.1.5 : 11/05/03-09:22:18 AM Z CST