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Cells for spectrophotometers with variable optical path lengths

Authors
  • Budantsev, A. Yu.1
  • 1 Russian Academy of Sciences, Institute of Theoretical and Experimental Biophysics, ul. Institutskaya 3, Pushchino, Moscow oblast, 142290, Russia , Pushchino, Moscow oblast (Russia)
Type
Published Article
Journal
Journal of Analytical Chemistry
Publisher
Pleiades Publishing
Publication Date
Aug 20, 2016
Volume
71
Issue
9
Pages
888–890
Identifiers
DOI: 10.1134/S1061934816090057
Source
Springer Nature
Keywords
License
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Abstract

A method and a device are proposed for varying optical path lengths of cells for spectrophotometers by placing parallel-plane insert plates (PPIPs) of variable thickness inside the cell. This method allows (a) the rapid adjustment of the optical path length of a standard cell (a dual PPIP set 5, 2 (2 pieces), and 1 mm thick ensures the variation of the optical path length of a 10-mm cell from 1 to 10 mm with a step of 1 mm); (b) mixing of solutions in cells; and (c) simple and quick washing of cells and PPIPs in routine spectral measurements.

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