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testing for leaching

updated mon 5 jan 04


Krista Peterson on sun 4 jan 04

Hey All,

A couple of years ago I saw an article about testing glazes for leaching either in Clay Times or Ceramics Monthly.
Since I worked at an art center at the time I wanted to test the class glazes and make sure none of them were
dangerous but when I tried to find the article again, naturally I couldn't find it. How does one go about testing for

Krista Peterson

John Anthony on sun 4 jan 04

Here's a link to the instructions on John Hesselberth's website.

John A