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AB71410-EN 0716S-B1
Overview:
This application note describes the use of ion-exchange or ion-exclusion
chromatography for the determination of five classes of compounds of interest to the
brewing industry, including: carbohydrates, alcohols, organic acids, inorganic anions,
and inorganic cations. One of two forms of electrochemical detection is used, pulsed
amperometry or conductivity detection.
Method:
Analyses were carried out using a Dionex chromatographic system consisting of a
gradient pump, electrochemical detector with pulsed amperometry and conductivity
modes.
Separation using a range of ion exchange and ion exclusion columns are shown.
Equivalent or improved results can be achieved using the Thermo Scientific Dionex
ICS-5000
+
system and Thermo Scientific
™
Dionex
™
Chromeleon
™
Chromatography
Data System Software.
Conclusion:
Although many of these constituents can be determined individually using unrelated
analytical techniques, reduced analysis time and equipment costs can be realized by
using one instrument with multi-species capability. Ion chromatography is a versatile
technique that meets many of the analytical requirements of the beer making process.
Read the full application noteIon Chromatography: A Versatile Technique
for the Analysis of Beer
Thermo Fisher Scientific
Application Summary AN 46