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See Chinese contents: GB/T 7746-2023 GB/T 7746-2023: Anhydrous hydrogen fluoride for industrial use
This document specifies the requirements, test methods, inspection rules, markings, accompanying documents, packaging, transportation and storage of anhydrous hydrogen fluoride for industrial use. This document is applicable to anhydrous hydrogen fluoride for industrial use. NOTE: this product is mainly used as the raw material for preparing electronic grade hydrofluoric acid, fluorinating agents, fluorohaloalkane, reagent hydrofluoric acid and other fluorine-containing products, etc.
