Soluble Salts In Ceramics

The soluble salts can then.

Soluble salts in ceramics. The soluble salt ceramics of mark goudy and liza riddle april 21 2012 mark goudy and liza riddle are a couple from berkeley california who are blazing a new frontier in ceramic arts with their explorations into the applications of soluble metal salts. I suppose it could almost be expected with backgrounds covering photography biology engineering chemistry music and graphics and a love of the outdoors that their work in ceramics would be organic technical. As you can see from the detail shown the term watercolors on porcelain used to describe this technique is very apt. When soluble salts are present within the ceramic structure at a percentage considered threatening the conservator must remove them.

Calcium or magnesium sulphate in clays and glazes can dissolve into the water of the plastic material then on drying these are left on the surface as the water evaporates. Soluble salts can also be deposited into artifacts through past conservation treatments including acid cleaning in this process objects are dipped in a dilute acid solution to remove insoluble salt deposits from the surface of ceramics. Soluble salts can either enter the clay body from the environment for example from being buried underground for decades or they are already naturally occurring due to the components of the materials or clay used. They are absorbed into the body and interact with each other reminiscent of watercolour painting.

See more ideas about metal salts ceramics ceramic sculpture. The acid changes them into a form that is water soluble. Soluble salts details in ceramics certain compounds e g. Watercolors on porcelain is a technique using water soluble colorants rather than pigments.

Feb 16 2020 explore ceramic art community noticebo s board water soluble metal salt effects followed by 1601 people on pinterest. A common degradation issue in ceramics involves soluble salts. The most common method of removal is by soaking the ceramic in deionized water for extended periods of time. Non archaeological objects such as modern dishware.

Dissolved metallic salts are applied to the porous surface creating unique patterns on the exterior and interior surfaces. Mark goudy and liza riddle are a couple from berkeley california who are blazing a new frontier in ceramic arts with their explorations into the applications of soluble metal salts. Workshop at at la meridiana fresh like water colour. Due to their unpredictable behavior they are not commonly used.