Metrohm 858 Professional Sample Processor - Manual (Page 51)

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858 Professional Sample Processor ￭￭￭￭￭￭￭￭ 43
Selecting the pump tubing
The pump tubing differs in material, diameter and hence also pumping
capacity. Depending on the application, different pump tubings are used.
The following table provides information on the properties and use of the
pump tubing:
Table 2 Pump tubing
Order
number Name Material Inner
diameter Use
6.1826.020 Pump tubing (blue/
blue), 2-stopper PVC (Tygon
ST) 1.65 mm Pump tubing for online IC
instruments and automa-
tion in voltammetry
6.1826.310 Pump tubing LFL
(orange/green), 3-
stopper PVC (Tygon) 0.38 mm Pump tubing for bromate
determination using the
triiodide method.
6.1826.320 Pump tubing LFL
(orange/yellow), 3-
stopper PVC (Tygon) 0.48 mm For suppressor solutions,
acceptor solutions for
inline dialysis and for inline
ultrafiltration.
6.1826.330 Pump tubing LFL
(orange/white), 3-
stopper PVC (Tygon) 0.64 mm No special applications.
6.1826.340 Pump tubing LFL
(black/black), 3-stop-
per PVC (Tygon) 0.76 mm For the sample solution in
inline dialysis.
6.1826.360 Pump tubing LFL
(white/white), 3-stop-
per PVC (Tygon) 1.02 mm For sample transfer.
6.1826.380 Pump tubing LFL
(gray/gray), 3-stopper PVC (Tygon) 1.25 mm For inline sample dilution.
6.1826.390 Pump tubing LFL (yel-
low/yellow), 3-stop-
per PVC (Tygon) 1.37 mm For the sample solution in
inline ultrafiltration.