(3) Sampling
The syringe aspirates one-half of the air volume (:va/2) while
needle is moving to the sample vial.
The syringe aspirates [vr + vi + vl : Rear Injection
Lead volume] after the needle has moved into the
sample vial.
Buffer tube
vd :Dead volume (the instrument inside parameter)
vi :Injection volume (the sample net volume to the flow path)
vl :Lead volume (forward part, cut volume)
vr :Rear volume (rearward part, cut volume)
va :Air volume (the air volume which sample is sandwiched.)
Injection valve
Syringe valve
Syringe
Wash
pump
5
1
3
2
4
Plunger
wash
From Pump
To Column
vr + vi + vl
Injection port
5
4
3
2
1
6
Waste
solution
Loop
Waste
solution
Wash port
Sample
Rack
Wash
fluid2
Wash
fluid1
P
Needle
va/2
va/2
3-way solenoid valve
Degassing
unit
2 - 16
Содержание CHROMASTER 5160
Страница 54: ...3 17 Fig 3 3b Connecting with the Chromaster 5260 Autosampler Injection valve Syringe valve Port4 ...
Страница 165: ...INDEX 3 U UI Pad 2 6 UTLTY 2 7 3 18 W Wiring covers 2 4 APPENDIX 1 19 Z Zero pressure calibration 3 18 ...
Страница 190: ...APPENDIX 3 2 Log book Means the information containing records of instrument operating conditions ...
Страница 221: ...3 1 Replacement Procedure b Replace the fuse with a new one and then attach the fuse holder by pressing it 3 2 ...
Страница 244: ......
Страница 406: ......
Страница 433: ...SAFETY 10 SAFETY SUMMARY WARNING and CAUTION Labels on Instrument 7 Before Turning on Xenon Lamp Front View ...
Страница 999: ...Retaining screws Fixing bracket Appended Fig 1 5 Removal of Fixing Brackets APPENDIX 1 13 ...
Страница 1016: ......
Страница 1022: ...Sample rack A component part on which a sample is set Logbook A historical record of instrument operation APPENDIX 3 2 ...