Metrohm 838 Advanced Sample Processor Installation Instructions - Manual (Page 49)

3.5 Connection to Metrohm IC systems
Metrohm 838 Advanced Sample Processor, Installation 43
001 Valve fill
002 Move spec1
003 Lift special
004 Dosino MSB1 rate 5
005 Dosino MSB1
3.5
006 Move sample
007 Dosino MSB1 rate -0.1
008 Lift
work
009 Dosino MSB1 rate 5
010 Dosino MSB1
-3
011 Move spec1
012 Lift special
013 Dosino MSB1 compen.
014 Wait 5
015 Valve inject
016 Wait 1
017 Dosino MSB1 rate 2
018 Dosino MSB1
Concentr.vol.
019 Wait 5
020 Valve fill
021 Dosino MSB1 rate 5
022 Dosino MSB1
3.5
023 Valve inject
024 Wait 1
025 Dosino MSB1 rate 2
026 Dosino MSB1
Dilution vol.
027 Stirrer MSB2 15
028 Valve fill
029 Ctrl Fill A1
030 Pump speed 4
031 Pump 65
032 Ctrl Zero 1
033 Ctrl Inject A1
034 Pump speed 10
035 Pump 30
036 Stirrer MSB2 on
037 Valve inject
038 Dosino MSB1 rate 20
039 Dosino MSB1
5
040 Pump on
041 Valve fill
042 Wait 60
043 Pump off
044 Valve inject
045 Dosino MSB1 rate 20
046 Dosino MSB1
5
047 Valve fill
048 Pump speed 10
049 Pump on
050 Wait 60
051 Stirrer MSB2 off
052 Wait 10
053 Pump off
054 Dosino MSB1 fill
− Switch over injection valve on 838 to "Fill"
− Move needle to rinsing beaker *
− Position lift with needle to special position *
− Set dosing rate
− Eject 3.5 ml of ultra-pure water (prepare pipet.)
− Move needle to sample
− Form air bubble
− Move lift with needle to working position *
− Set dosing rate
− Aspirate 3 ml of sample **
− Move needle to rinsing beaker
− Move lift with needle to special position
− Compensate for mech. play of Dosino coupling
− Waiting time
− Move injection valve on 838 to "Inject" position
− Waiting time
− Set dosing rate
− Sample volume is dosed
− Waiting time
− Switch over injection valve on 838 to "Fill"
− Set dosing rate
− Eject rest of sample into rinsing beaker
− Set injection valve on 838 to "Inject" position
− Waiting time
− Set dosing rate
− Dilution volume (ultra-pure water) is dosed
− Set stirring speed
− Switch over injection valve on 838 to "Fill"
− Switch over injection valve on 820 to "Fill"
− Set delivery rate
− Transfer diluted sample to sample loop
− Trigger autozero on 819/1 IC Detector
− Switch over injection valve on 820 to "Inject"
− Set delivery rate
− Mixing vessel is emptied
− Switch on stirrer
− Set injection valve on 838 to "Inject" position
− Set dosing rate
− Rinse mixing vessel with ultra-pure water
− Switch on pump
− Switch over injection valve on 838 to "Fill"
− Empty mixing vessel again
− Switch off pump
− Set injection valve on 838 to "Inject" position
− Set dosing rate
− Rinse mixing vessel again
− Switch over injection valve on 838 to "Fill"
− Set delivery rate
− Switch on pump
− Empty mixing vessel again
− Switch off stirrer
− Waiting time
− Switch off pump
− Fill Dosino for next dilution
* must be predefined in «IC Net» ** max. volume must be taken into account. The sample must
not reach the Dosino cylinder.