Jul 20, 2025
Plastic containers marked “microwave-safe” are designed not to melt or warp in the microwave, but this doesn’t guarantee that chemicals won’t transfer into your food when heated.
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Plastic containers marked “microwave-safe” are designed not to melt or warp in the microwave, but this doesn’t guarantee that chemicals won’t transfer into your food when heated.
Significant features of the global cycle of copper are summarized in Fig. 13.7.
"Environmental Chemistry: A Global Perspective", 4e - Gary W. VanLoon & Stephen J. Duffy
The local people soaked the seeds overnight to leach a toxin, but Burke and Wills ignored this process and suffered because of it.
"Country: Future Fire, Future Farming" - Bill Gammage and Bruce Pascoe
Sergiu Grapa - Bittersweetart 10, 2017
Digital painting - Limited edition of 40 signed prints.
Available in archiv print quality on photo paper or canvas, up to 2A0, through our shop: https://bittersweetart.gallery/shop/
DANGER Unsafe Mine. Stay Out. Stay Alive.
Wise advice here. Before the days of core or reverse circulation drilling, the only way to find out what was below the surface was to dig or tunnel. This location is in a ravine in central Nevada. The adit explores an altered quartz vein that’s exposed in the ravine’s bank. The vicinity produced gold intermittently from about 1880 to the 1950s and still has potential. But people are advised to stay out of old underground workings.
Where is this? I ain’t sayin’.
Bear rock We regularly share interesting shaped rock formations formed by erosion. This granite work of nature's art is located in Sardinia. The type of structure is called Tafoni, or honeycomb structure, and results from water leaching dissolved minerals to the rock surface. As it dries the minerals precipitate and flake off layers of rock in a process called cavernous weathering. The shape of the formation therefore reflects the movement of fluids through the granite. Loz Image credit: Martin Wintsch
Figure 13.54 shows in schematic fashion some of the alternative paths leading from ores to pure metals, all of which involve reduction as the essential chemical process.
"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.
These will include interconversions between various inorganic and organic species of the element in the soil, leaching of soluble forms, immobilization by ion exchange or other adsorption processes on the solid soil phases, and biological uptake by micro- or macro-organisms (Fig. 1.6).
"Environmental Chemistry: A Global Perspective", 4e - Gary W. VanLoon & Stephen J. Duffy