Metrohm 732 IC Detector - Manual (Page 136)

4.9 Examples of methods
732 IC Detector / 733 IC Separation Center
129
4.9.2 Anion determination with Metrosep Anion Dual 2
This example shows a method for the determination of monovalent and
divalent anions with the 6.1006.100 IC Anion Column Metrosep Anion
Dual 2 and the Metrohm suppressor module, which can be used with or
without an autosampler.
General conditions
• Separating column: 6.1006.100 Metrosep Anion Dual 2
• Sample loop: 20 µ L
• Eluent: 1.3 mmol/L sodium carbonate,
2.0 mmol/L sodium bicarbonate
• Flow: 0.8 mL/min
• Eluent conductivity: ca. 14 µ S/cm
• Full scale: 50 µµS/cm and 5 µµS/cm
• Suppressor module: Regeneration solution 20 mmol/L H
2
SO
4
,
rinsing solution Milli-Q water
Configuration
CONFIG
>CONFIG/detector
thermostat: 35 °C
'zero' unit:
µ S/cm
cell constant 17.1 /cm
>CONFIG/printer
id.1
id.2
print header: once
date&time: on
send to: IBM
>CONFIG/print meas.value
print crit.: off
>CONFIG/auxiliaries
run number 0
number of cycles 1
>CONFIG/aux/event
enabled in program: off
date 1995-10-16
time 10:59:20
dialog: english
device label
program 732.0012
>CONFIG/aux/beep
status: on
repeat time 60 s
>CONFIG/RS settings
baud rate: 9600
data bit: 8
stop bit: 1
parity: none
handshake: HWs
control via RS: on
>CONFIG/RS settings 709
baud rate: 9600
>CONFIG/733 IC Sep.Cent.
valve A + suppressor
control: no restriction
>CONFIG/733/valve A
status inject
trigger: inject
>CONFIG/733/suppressor
auto step: fill
status in position
trigger: ---