Cleaning water affected by acid mine drainage is an expensive process, which makes it difficult for rural communities to remediate local waterways. Rural Action, an Appalachian-based nonprofit, has a project called True Pigments that aims to fund the water treatment process by selling pigments made from iron oxide extracted from the mine drainage.
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Adding pigment to cement is one way to produce colored concrete. Researchers in China and Morocco showed that the content and purity of the pigment can have adverse effects on the cement’s properties.
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Titanium dioxide is the second most common pigment used in tattoo inks. Yet researchers of two studies warn nano-TiO2 could travel to your lymph nodes—and bring metal particles from the needle along with it.
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The Forbes Pigment Collection at Harvard Art Museums has more than 2,500 pigment samples. Learn how scientists and artists use these pigments in painting restoration and authentication, as well as the unusual materials some pigments are made from.
Read MoreDiscovery by U. Arkansas physicists furthers understanding of superconductivity, show Zhang-Rice singlet state in different class of materials Physicists at the University of Arkansas have collaborated with scientists in the…
Read MoreUseful news and interesting research: Washington Mills decodes particle size conversion in fused minerals Washington Mills has developed a particle size conversion chart to assist in selecting the correct grit…
Read MoreGrouping of substances can expedite EU REACH compliance. In late 2006, the European Union passed the legislation known as REACH (Registration, Evaluation, Authorization and Restriction of Chemicals), which became effective…
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