ɛ-TaN as a Reference Material for the Determination of High Nitrogen Contents
作者： Wolfgang Gruner , Birgit Wollein , Walter Lengauer
DOI: 10.1007/S00604-003-0169-Z
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摘要: Today it is possible to replace the costly Kjeldahl method by commonly used Carrier Gas Hot Extraction (CGHE) for determination of nitrogen contents up 50 wt%, because accuracy this was improved a 0.2% relative standard deviation. The remaining problem availability defined and stable standards N analyses Extraction. In study, we compared different certified with ɛ-TaN, which so-called “line compound” content.
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