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Appl Opt
; 20(7): 1151-5, 1981 Apr 01.
Artículo
en Inglés
| MEDLINE
| ID: mdl-20309278
RESUMEN
An excellent correlation between the integrating plate (IP) and the photoacoustic methods for measuring aerosol light absorption has been found for airborne graphitic carbon in diesel vehicle exhaust. However, the regression coefficient depends on the orientation of the Teflon membrane filter during the IP analysis. With the collected particulates between the filter and the integrating plate, the IP response is 1.85 times that for the filter reversed. In either case the response ratio of the IP method to the photoacoustic method is >1.0, i.e., 2.43 vs 1.30. The IP calibration is also probably dependent on the nature of the filter medium.
5.
Talanta
; 16(5): 619-20, 1969 May.
Artículo
en Inglés
| MEDLINE
| ID: mdl-18960558
RESUMEN
A semi-automatic system capable of quickly degassing large amounts of solvent is described.