Solved cryptogram

Pure sulfur has almost no smell. The stench people blame on it comes from its compounds.

Chemistry Facts, sourced to Royal Society of Chemistry.

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What it means

The yellow crystals themselves are nearly odorless. What people are actually smelling is hydrogen sulfide, the rotten egg gas, or the organic sulfur compounds in onions and skunk spray. Human noses are extraordinarily sensitive to that family of molecules, which is why a trace of one is added to natural gas so that a leak announces itself.

The claim comes from Royal Society of Chemistry.

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