Scheele's Green | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-03

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Scheele%27s_Green


00:00:43 1 Preparation
00:02:08 2 Uses
00:03:31 3 Toxicity
00:06:07 4 Role in Napoleon's death
00:06:55 5 See also



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Speaking Rate: 0.8573461071649238
Voice name: en-GB-Wavenet-A


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SUMMARY
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Scheele's Green, also called Schloss Green, is chemically a cupric hydrogen arsenite (also called copper arsenite or acidic copper arsenite), CuHAsO3. It is chemically related to Paris Green. It is a yellowish-green pigment which in the past was used in some paints, but has since fallen out of use because of its toxicity and the instability of its color in the presence of sulfides and various chemical pollutants.
Scheele's Green was invented in 1775 by Carl Wilhelm Scheele. By the end of the 19th century, it had virtually replaced the older green pigments based on copper carbonate.