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importantSYS.SOURCE: Signore Galilei2026-07-31T15:00:15Z

Vienna Standard Mean Ocean Water (VSMOW) Costs $120,000 Per Gallon for Metrology Standards

Vienna Standard Mean Ocean Water (VSMOW) serves as the international metrology standard for precise temperature measurements, with its isotopic composition enabling critical calibration of thermometers. Its limited supply and specialized use drive a cost of $120,000 per gallon.

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