CHN ANALYSIS OF HIGH CONCENTRATION FLUORINE SAMPLES ON THE CE-440 Ref: TN217, Rev. 1 Most compounds containing fluorine can be run successfully on the Exeter Analytical CE-440 under standard operating conditions. The magnesium oxide in the combustion tube reagent packings absorbs fluorine as HF, a...

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ANALYSIS OF NITROCELLULOSE USING THE CE-440 ELEMENTAL ANALYZER Ref: TN212, Rev. 1 Nitrocellulose is the common name for a family of explosive materials based on the cellulose unit C12H20O10. Included among these are pentanitrocellulose, dekanitrocellulose, and pyroxylin. Historically, the nitrogen...

METHOD FOR DETERMINATION OF ORGANIC CARBON ON SEDIMENT SAMPLES Ref: TN230, Rev. 1 Introduction: The 440 Elemental Analyzer can perform direct automated elemental analysis of organic carbon with a minimum of sample preparation. The samples are placed in acid to dissolve the carbonate material and t...

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