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ashing ~ 1100°C

ashing ~ 1100°C. preheated airflow – to avoid cooling & ensure good uniformity rapid air changes – to provide air/oxygen and carry fumes away heavy duty ceramic material construction - to ensure longevity elements covered by insulation – to ensure no contamination. ashing ~ 1100°C.

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ashing ~ 1100°C

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  1. ashing ~ 1100°C • preheated airflow – to avoid cooling & ensure good uniformity • rapid air changes – to provide air/oxygen and carry fumes away • heavy duty ceramic material construction - to ensure longevity • elements covered by insulation – to ensure no contamination

  2. ashing ~ 1100°C • preheated airflow – to avoid cooling • rapid air changes – to provide air/oxygen and carry fumes away • heavy duty ceramic material construction - to ensure longevity • elements covered by insulation – to ensure no contamination AAF11/3 & 7 Design

  3. ashing ~ 1100°C • preheated airflow – to avoid cooling • air changes – to provide air/oxygen and carry fumes away • heavy duty SiC tiles covering elements to protect - to ensure longevity Element SiC protective tile Air flow inlets AAF11/18 AAF11/18 design

  4. air is drawn between insulation layers, pre-heating incoming airflow chimney pre heating inlet pre heating AAF11/3 & 7

  5. uniformity graph The coloured lines indicate temp measurement and therefore show good uniformity from front (left) to rear (right) of chamber

  6. ashing ~ applications some typical examples: • ashing enviromental samples ~ Yorkshire Water Co • ashing paint samples ~ Nippon Paint Co • ashing rubber samples ~ Avon Rubber Co • ashing of food containers ~ Rexon Packaging Co • After ashing the samples are analyised using IC or AA

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