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High-frequency infrared carbon and sulfur analyzer using the influence of the crucible

Date:2016/06/30

High-frequency infrared carbon and sulfur analyzer using the influence of the crucible Blank has been the crucible of carbon and sulfur analyst attention. Crucible untreated blank range from a dozen to several tens of ppm, proper pre-treatment, the crucible can be reduced to less than 1ppm blank. Tests show that low pretreatment blank crucial time and temperature on the crucible get stable. For example, 4 hours after 800 ℃ for baking crucible steel samples for analysis, the results fluctuated considerably. Only flux added to give a carbon blank 0.6v peak height, 0.01% carbon content, and properly handled white carbon crucible peak height generally less than 0.02 v. Therefore, before using the crucible must be pretreated and control suitable for baking temperature and time, thus reducing the impact on the analysis results crucible blank maximize stability.


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