6890 splitless animation
TRANSCRIPT
Slide #1
6850/6890 Splitless Animation - Split/Splitless Inlet - Component Identification
Septum
Liner
Liner O-Ring
Gold Seal
Capillary Column
9/27/02
Slide #2
6850/90 Split/Splitless Inlet - Component Identification
SeptumSEPTUM PURGE
VENT
Split Vent
Slide #3
6850/90 Splitless Animation - Default Conditions
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
PURGEVALVEOPEN
TOTAL FLOWCONTROL LOOP
SPLIT
VENT
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI0
ML/MIN
SPLIT VENTTRAP
0
PSI
Slide #4
6850/90 Splitless Animation - Total Flow Setting
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
PURGEVALVEOPEN
TOTAL FLOWCONTROL LOOP
SPLIT
VENT
55 ML/MIN
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI
PRIMARY FLOW PATH
REDUCED FLOW PATH
55
ML/MIN
SPLIT VENTTRAP
0
PSI
Slide #5
6850/90 Splitless Animation - Inlet Pressure Setting
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVEOPEN
TOTAL FLOWCONTROL LOOP
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI
PRIMARY FLOW PATH
REDUCED FLOW PATH
55
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
50 ML/MIN
COLUMN FLOW
2 ML/MINPRESSURIZED GAS
BACK PRESSURE CONTROL LOOP
Mode: SplitlessTemp 250 250Pressure 10.0 10.0Purge Time 0.50Purge Flow 50.0Tot Flow 55.0Gas Saver OFF
Slide #6
6890 Splitless Animation - GC Status before Pre-Run
Slide #7
6890 Splitless Animation - GC Status after Pre-Run
Slide #8
6850/90 Splitless Animation - Injection Prep - Run
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI
PRIMARY FLOW PATH
REDUCED FLOW PATH
5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MINPRESSURIZED GAS
Mode: SplitlessTemp 250 250Pressure 10.0 10.0Purge Time 0.50Purge Flow 50.0Tot Flow 5.0Gas Saver OFF
Slide #9
6850/90 Splitless Prep Run - Ready Animation
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI
PRIMARY FLOW PATH
REDUCED FLOW PATH
5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MINPRESSURIZED GAS
Slide #10
6850/90 Splitless Begin Injection Animation
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
Slide #11
6850/90 Splitless Inject Sample Animation
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
Slide #12
6850/90 Splitless Sample Vaporizes Animation
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
Slide #13
6850/90 Splitless Liner Capacity? Animation
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
Larger O.D Linerto minimize sample
contact with inlet bodyTapered Liner tominimize sample contact
with Gold Seal
Slide #14
6850/90 Splitless Sample Transfer to Animation Column - Liner Volume vs. Column Flow
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
OVEN < BP OF SOLVENTSAMPLE RE-CONDENSES
AT HEAD OF COLUMN
FOR 1 ML LINER VOLUMEAND 2 ML/MIN COLUMN FLOW
PURGE DELAY SHOULD BE0.5 MINUTES MINIMUM
Slide #15
6850/90 Splitless Pulsed Splitless Mode - Animation Reduced Purge Time
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI7
ML/MIN
SPLIT VENTTRAP
20
PSI
SPLIT
VENT
0 ML/MIN
OVEN < BP OF SOLVENTSAMPLE RE-CONDENSES
AT HEAD OF COLUMN
Mode: Pulsed SplitlessTemp 250 250Pressure 10.0 10.0Pulse Press 20.0Pulse Time 0.25Purge Time 0.25Purge Flow 50.0Tot Flow 7.0Gas Saver OFF
COLUMN FLOW INCREASES TO 4 ML/MIN CUTTTING PURGE TIME IN HALF
Slide #16
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
OVEN < BP OF SOLVENTSAMPLE RE-CONDENSES
AT HEAD OF COLUMN
6850/90 Splitless Sample Re-Condenses Animation At the Head of the Column
Slide #17
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
OVEN < BP OF SOLVENTSAMPLE RE-CONDENSES
AT HEAD OF COLUMN
6850/90 Splitless Sample Transfer to Animation Column Continues...
Slide #18
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI5
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
0 ML/MIN
COLUMN FLOW
2 ML/MIN
OVEN < BP OF SOLVENTSAMPLE RE-CONDENSES
AT HEAD OF COLUMN
6850/9090 Splitless Until the end of the Animation Splitless Purge Delay...
Slide #19
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVEOPEN
TOTAL FLOWCONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI
PRIMARY FLOW PATH
REDUCED FLOW PATH
55
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
50 ML/MIN
COLUMN FLOW
2 ML/MINPRESSURIZED GAS
BACK PRESSURE CONTROL LOOP
6850/90 Splitless Animation - Inlet is Returned to Split Configuration - Residual Solvent is flushed from Inlet - GC Temperature Program and Separation Begins
Slide #20
6850/90 Splitless Press Fit Splitless Liner - Animation With Hole - No sample
Contact with gold seal
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVE
CLOSED
FORWARD PRESSURECONTROL LOOP
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI7
ML/MIN
SPLIT VENTTRAP
20
PSI
SPLIT
VENT
0 ML/MIN
OVEN < BP OF SOLVENTSAMPLE RE-CONDENSES
AT HEAD OF COLUMN
Mode: Pulsed SplitlessTemp 250 250Pressure 10.0 10.0Pulse Press 20.0Pulse Time 0.25Purge Time 0.25Purge Flow 50.0Tot Flow 7.0Gas Saver OFF
COLUMN FLOW INCREASES TO 4 ML/MIN CUTTTING PURGE TIME IN HALF
Slide #21
FLOWSENSOR
PROPORTIONALVALVE 1
PRESSURESENSOR
SEPTUM PURGEREGULATOR
FIXED @ 3ML/MIN
PURGEVALVEOPEN
TOTAL FLOWCONTROL LOOP
GOLD SEAL
INPUTPRESSURE
PROPORTIONALVALVE 2
80 PSI
PRIMARY FLOW PATH
REDUCED FLOW PATH
55
ML/MIN
SPLIT VENTTRAP
10
PSI
SPLIT
VENT
50 ML/MIN
COLUMN FLOW
2 ML/MINPRESSURIZED GAS
BACK PRESSURE CONTROL LOOP
6850/90 Splitless Animation - Inlet is Returned to Split Configuration - Residual Solvent is flushed from Inlet - through the hole in the liner…..
Slide #22
Splitless Liner Selections
Single Taperwith wool
Double Taper Single
TaperDouble Taper
Single Taper
NO wool
Direct Connect
Hole for EPC
Slide #23
6890 Splitless Chromatogram -
min0 1 2 3 4 5 6 7 8 9
pA
0
500
1000
1500
2000
FID1 A, (A:\FIDSPLS.D)
Area: 1.41189e+007
1.0
01
5.9
37
6.7
95
7.6
37