December 26, 2014 Specification Change: Hydrogen Cyanide tube No. 12L This is to announce the specification changing of Hydrogen Cyanide tube No.12L. Due to the elimination of the mercury compound which was used for No.
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December 26, 2014 Specification Change: Hydrogen Cyanide tube No. 12L This is to announce the specification changing of Hydrogen Cyanide tube No.12L. Due to the elimination of the mercury compound which was used for No.