Disposable tube detectors for water analysis

I. Kuselman*, B. I. Kuyavskaya, O. Lev

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


A method to produce a new type of disposable tube detector for water analysis is described. The tube detectors are composed of capillaries filled with sol-gel glasses doped with organic reagents. When a solution is sampled through a tube detector, specific contaminants form chromophoric groups with the organic reagents that are embedded in the sol-gel glasses, forming a stained section of the glass bed. The specific advantages of doped sol-gel glasses for use as disposable tube detectors include transparency, low cost, low leaching and easy control of the glass characteristics, including ligand capacity, pore-size distribution and pellet dimensions. Detection of several metals in aqueous solution is demonstrated.

Original languageAmerican English
Pages (from-to)65-68
Number of pages4
JournalAnalytica Chimica Acta
Issue number1
StatePublished - 15 Jan 1992


  • Colorimetric glass detectors
  • Disposable tube detectors
  • Length of stain detectors
  • Sol-gel glasses
  • Water


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