Oil type discrimination method and oil type discriminator
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United States of America Patent
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Feb 9, 2010
Grant Date -
Nov 12, 2009
app pub date -
Jun 27, 2007
filing date -
Jul 4, 2006
priority date (Note) -
Expired
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Abstract
To provide an oil type discrimination method and an oil type discriminator capable of accurately discriminating a type of oil even when light-shielding components exist in the oil and of preventing in advance erroneous discrimination of a mixture of oil. in which the difference in absorbance between two wavelengths existing in the vicinities of respective attribute wavelengths of predetermined chemical bonds is compared with 0.0 and thus between kerosene and diesel oil is discriminated.
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