Absorption spectra of the sulphite and sulphate ions
โ Scribed by Mujtaba Karim, S. ;Samuel, R.
- Book ID
- 112976337
- Publisher
- Springer-Verlag
- Year
- 1934
- Tongue
- English
- Weight
- 687 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0370-0089
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A method to analyse sulphate in beer in the presence of organic anions and sulphite has been developed using a Dionex Ion Chromatography system. Sulphite was stabilised in the sample by addition of acetaldehyde, 3.3% (v/v) and, by increasing the acetonitrile concentration of the eluant to 4.52 % (v/
Optical absorption measurements near the absorption edge have been studied in the energy range 3-5.5 eV on pure triglycine suphate (TGS) and TGS crystals doped with Cu 2ฯฉ , Mn 2ฯฉ or Ni 2ฯฉ in the temperature range 290-360 K. The temperature dependence of the band gap E g (T) reveals an anomaly at the