Aside from the ice storm last week, I was also a little under the weather so to speak. As part of the seasonal palette cleaning, I used up the last of the brown, green and red to make this painting of an unhealthy looking lung. Iron oxide is the name of the chemical that makes up earth paints such as sienna and umber, which I used in this painting. The red is pyrol red (PR254), a synthetic, and the green is phthalo green (PG36) also a synthetic that contains copper and bromination and the carbon ring. Having taken chemistry classes during undergraduate it was kind of fun to learn more about pigment chemistry. For a long time I didn't want science to invade my art, but since 2020 I have been reading Handprint.com and learning a lot from it. Incidentally, I am feeling fine now.
Iron Lung Oxide, watercolour 9 x 12" watercolour paper, April 2023 (No. 3591b)
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