What Idol Immersion Puts Into a River: Plaster, Lead Paint, and the Fish Downstream
The chemistry of a submerged idolPlaster of Paris is calcium sulphate hemihydrate. When it enters water, it does not dissolve the way salt does. It absorbs water, hardens briefly, then breaks into fine particulate matter that suspends in the water column and settles into the riverbed. A study published in…
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