Specifications

58 DECADE user manual, edition 9
Table XI. Potential settings for PAD of glycols, alcohols, aldehydes at a
platinum working electrode.
s 1 2 3
t (ms) 20 300 100 100
E (mV) +200 +1300 -100
Table XII. LC-EC conditions for PAD of carbohydrates.
detector DECADE, Antec Leyden
column CarboPac PA1, 4x250mm
flow rate 1.0 ml/min
mobile phase 200 mM NaOH
sample disaccharides 100 nmol/l, 20 µl injection
temperature 30
o
C
flow cell VT-03 flow cell with 3.0 mm gold working electrode
mounted with 50 µm spacer
REF Ag/AgCl, filled with saturated KCl/AgCl
I-cell ca. 435 nA
References
1. D.C. Johnson, D. Dobberpuhl, R. Roberts and P. Vandeberg, Review.
Pulsed amperometric detection of carbohydrates, amines and sulphur
species in ion chromatography - the current state of research, J.
Chromatogr. 640 (1993) 79-96
2. D.C. Johnson en W.R. LaCourse, LC with pulsed ECD at gold and
platinum electrodes, Anal. Chem., 62 (1990) 589A-597A
3. W.R. LaCourse en D.C. Johnson, Optimization of waveforms for pulsed
amperometric detection of carbohydrates following separation by LC,
Carbohydrate Research, 215 (1991) 159-178
4. W.R. LaCourse en D.C. Johnson, Optimization of waveforms for pulsed
amperometric detection of carbohydrates based on pulsed voltammetry,
Anal. Chem. 65 (1993) 50-55
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