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Method for detecting or quantifying carbon black and/or black carbon particles
Method for detecting or quantifying carbon black and/or black carbon particles
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机译:检测或定量炭黑和/或黑碳颗粒的方法
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摘要
A method for detecting the presence of or quantification of carbon black and/or black carbon in a sample or carrier medium. The method includes providing the sample or carrier medium without labelling or pre-treatment of the carbon black and/or black carbon particles; illuminating the sample or carrier medium at a temperature below 90° C. by a pulsed light with a pulse duration below 500 femtoseconds, a repetition rate above 1 MHz with an average power below 20 mW, and a wavelength of a femtosecond laser pulse ranging from 700 to 1200 nm, to generate non-incandescence related light emission from the carbon black and/or black carbon particles; and analysis of the light emission.
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