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Vol. 132, Issue 9, September 2011, pp.69-75

 

Bullet

 

Improvement Study of Wet Nitrocellulose Membranes Using Optical Reflectometry

 

Hariyadi Soetedjo

Center for Integrated Research and Innovation (CIRNOV–UAD), and Study Program of Physics,

The University of Ahmad Dahlan, Jl. Cendana No 9A, Yogyakarta 55166, Indonesia

Tel.: +62-274-563515 ext. 1613, fax: +62-274-564604

E-mail: hariyadi@uad.ac.id

 

 

Received: 12 July 2011   /Accepted: 19 September 2011   /Published: 27 September 2011

Handbook of Laboaratory Measurements book

 

Abstract: We present the improvement study of previous observation on the optical properties of the nitrocellulose membrane using a self-construction apparatus of reflectometer. The membrane was fixed on the modified cavity stage to minimize any reflection experienced by the interface of the nitrocellulose membrane and surface stage may happen at before. The measurement was done by illuminating the sample at an incident angle of 70° at s-polarization. The white light source was used for that characterization. The samples have been observed their optical reflection when the water molecules introduced respect to the evaporation time at ambient. From the investigation, the change of water content in the membrane could be observed through the change of optical spectroscopic reflection.

 

Keywords: Spectroscopic reflectometry, Nitrocellulose, Polarization

 

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