Werner Hopp

Werner Hopp
Fraunhofer Institute for Silicate Research ISC | ISC · Center for Applied Analytics ZAA

About

7
Publications
296
Reads
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104
Citations
Citations since 2017
2 Research Items
3 Citations
20172018201920202021202220230.00.51.01.52.0
20172018201920202021202220230.00.51.01.52.0
20172018201920202021202220230.00.51.01.52.0
20172018201920202021202220230.00.51.01.52.0
Additional affiliations
January 1996 - June 2016
Fraunhofer-Institut für Silicatforschung
Position
  • Library Representative

Publications

Publications (7)
Chapter
Many types of glass contain lanthanoides; among them, special glass for optical applications is the one with the highest content of lanthanoides. The precise determination of the lanthanoides' concentration is performed by inductively coupled plasma-optical emission spectrometry (ICP-OES). However, up to now, there are no established standard proce...
Article
Many types of glass contain lanthanoides; among them, special glass for optical applications is the one with the highest content of lanthanoides. The precise determination of the lanthanoides’ concentration is performed by inductively coupled plasma-optical emission spectrometry (ICP-OES). However, up to now, there are no established standard proce...
Article
Full-text available
Wet chemical synthesis and preliminary photocatalytical characteristics of titania and Fe(III)-containing TiO2 layers are presented. A highly stable coating colloids could be prepared under base- as well as acid-catalyzed condensation conditions. Structural properties of the as-prepared wet gels and sintered films were investigated using SEM, TEM,...
Article
SiO2 and Na2O concentrations of alkali silicate solutions can be determined by ICP AES using scandium as an internal standard. Diluting the samples with water causes problems with the sample neoulization. It is possible to avoid this by adding KOH, but a higher pH value leads to precipitation of scandium. Better results are obtained by treating the...
Article
The fluorescence of humic substances (HUS) is quenched by paramagnetic metal ions. This principle was applied to the titration of aquatic HUS with copper(II) under defined reaction conditions (pH 6.8). For the assumption of 11 complex formation conditional stability constants (K) were determined. Stability spectra are introduced to show the influen...

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