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Etched Glass Artwork
Before going too deeply into this subject, we feel that it is vital that we inform you that dealing with chemicals, particularly that of acid can be highly dangerous. Always make sure to wear the proper protective clothing and take the required precautions. An injured artist cannot produce the next glass Mona Lisa.
The process of acid etching is not as difficult as most people would think. The only items that you need to produce great artistic exhibits are hydrofluoric acid and an item made of glass. Even a simple windowpane can become a great work of art with the right inspiration. Nevertheless, it is always important to know from whence the art came before actually attempting it.
Acid etched glass artwork origins are somewhat sketchy, as this art form originated before extensive records were kept. The results of the art, however, are highly evident in the windows of some of the great ancient cities of Sweden, such as Bern, Basel, and St. Gallen. These cities lay claim to some of the oldest churches still standing in the world, each one decorated with stained glass etched windows that will take your breath away. The art is an old one.
We can date the actual creation of the acid that is currently used, hydrofluoric acid, to the late 1700’s when a Swedish Chemist found that raising the temperature of calcium fluoride and adding the highly powerful sulphuric acid released a particularly corrosive gas. By harnessing this vapor and condensing it, via common water, this chemist found that it became a type of acid, one of a few, that would actually have a corrosive effect upon glass and other silica oriented surfaces.
Originally, only the vapors of the acid where used in glass etching, as at the time the actual concept of using the acid directly was considered far too dangerous. The original method was to paint the glass with acid resistant coatings of paint while leaving the pattern unpainted. Then the vapors would be released upon the unpainted areas and the corrosive effect would then produce art. Later, after the acid was finished doing its’ part, the paint would be removed and voila, instant masterpiece.
During the middle nineteenth century, artistic researchers began to utilize a new method of acid glass etching to create their artwork. This method still required the use of hydrofluoric acid, but in this case it was accented by a certain amount of alkali. The mix of the two chemicals created a frosted look to the glass, giving the artwork a different texture and appearance altogether. The hydrofluoric acid to alkali equation was varied to create different accents and patterns.
Today, the art of glass etching actually consists of a wide variety of techniques, many that would never have been if not for those who had gone before and tested the chemicals and styles that make up the artistic genre today. If you are going to delve into this brilliant artistic genre, study up on the history of it. You may just find that your inspiration for your future lies in the past.
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Related topics:
Glass etching
Metal art & design
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