About: Ashing

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Ashing is a test to deduce the amount of ash forming material present in a petroleum product so as to decide its use in certain applications. Ash-forming materials are considered to be undesirable impurities or contaminants. The specimen is placed in a suitable vessel, evaporating dish or crucible and ignited. It is allowed to burn until only ash and carbon remains. The carbonaceous residue is reduced to ash by heating in a muffle furnace at about 775 °C, cooled and weighed.

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  • Ashing is a test to deduce the amount of ash forming material present in a petroleum product so as to decide its use in certain applications. Ash-forming materials are considered to be undesirable impurities or contaminants. The specimen is placed in a suitable vessel, evaporating dish or crucible and ignited. It is allowed to burn until only ash and carbon remains. The carbonaceous residue is reduced to ash by heating in a muffle furnace at about 775 °C, cooled and weighed. Ashing is also performed prior to chemical analysis by inductively coupled plasma emission spectrometry. Another application is the detection of asbestos content in certain products. (en)
  • アッシング（英語：ashing ）とはフォトレジストを分解・除去するレジスト剥離、試料を加熱・燃焼し無機化合物にすること（灰化（かいか））の２つの意味を持つ。 (ja)
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  • アッシング（英語：ashing ）とはフォトレジストを分解・除去するレジスト剥離、試料を加熱・燃焼し無機化合物にすること（灰化（かいか））の２つの意味を持つ。 (ja)
  • Ashing is a test to deduce the amount of ash forming material present in a petroleum product so as to decide its use in certain applications. Ash-forming materials are considered to be undesirable impurities or contaminants. The specimen is placed in a suitable vessel, evaporating dish or crucible and ignited. It is allowed to burn until only ash and carbon remains. The carbonaceous residue is reduced to ash by heating in a muffle furnace at about 775 °C, cooled and weighed. (en)
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  • Ashing (en)
  • アッシング (ja)
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