Advertisement
Natgas C Analyzer
With Additional He/H
Revised March 2019
© 2015 Scion Instruments
Reference Manual
Channel
2
SCION Instruments HQ
Suite 34, Livingston Business Centre,
Kirkton Road South, Livingston,
EH54 7FA, Scotland, UK.
Tel: +44 1506 300 200
sales-eu@scioninstruments.com
www.scioninstruments.com
SCION Instruments NL BV
4462, Goes,
Stanleyweg 4.
The Netherlands
Tel: +31 113 348 926
sales-eu@scioninstruments.com
www.scioninstruments.com
Advertisement
Related Manuals for Scion Instruments 400-GC Series
Summary of Contents for Scion Instruments 400-GC Series
- Page 1 Reference Manual Natgas C Analyzer With Additional He/H Channel SCION Instruments HQ SCION Instruments NL BV Suite 34, Livingston Business Centre, 4462, Goes, Kirkton Road South, Livingston, Stanleyweg 4. EH54 7FA, Scotland, UK. The Netherlands Tel: +44 1506 300 200 Tel: +31 113 348 926 sales-eu@scioninstruments.com...
-
Page 2: Table Of Contents
Scion Instruments Section contents INTRODUCTION ..........................3 INSTRUMENT SPECIFICATIONS ....................4 INSTALLATION OF COLUMNS, FLOW AND PRESSURE SETTING ........5 TUNING THE NATGAS C ANALYZER ................... 6 OPERATION ............................7 TROUBLE SHOOTING ........................9 STEP BY STEP........................... 11 Scion Instruments... -
Page 3: Introduction
Scion Instruments INTRODUCTION Natural gas analysis commonly involves the quantitation of components up to C5 while C6 and heavier hydrocarbons are combined and measured as a single peak (C6+). Extending the analysis to obtain the compositional breakdown of the C6+ group can provide valuable information. -
Page 4: Instrument Specifications
Scion Instruments INSTRUMENT SPECIFICATIONS Every instrument is fully tested; the results of the tests, as well as the methods used during these tests, are presented as part of this manual (refer to section 1). START UP At initial START-UP as well as after a longer idle period, follow the instructions below: •... -
Page 5: Installation Of Columns, Flow And Pressure Setting
Make sure, the instrument is connected to the minimum gas supply pressures as indicated in the 400-GC series pre-installation manual. For more detailed information concerning the configuration of the instrument, please, refer to the drawing section (section 6 of this manual). -
Page 6: Tuning The Natgas C Analyzer
Scion Instruments TUNING THE NATGAS C ANALYZER Tuning is only necessary when new columns have to be installed or by malfunctioning of the GC. Connect the columns according the flow schematics given in Section 6 and adjust the pressures (if necessary) at an oven temperature of 45°C. -
Page 7: Operation
Scion Instruments OPERATION An operational method is preloaded in the instrument. Listed below is an example method; settings determining the application may be different. Sample delivery V1 (GSV) V2 (CS) V4 (S) Initial 0.01 0.80 1.00 1.91 Injector (S/SL Front): Temp 220 ºC... - Page 8 Scion Instruments Detector (middle TCD): Temp 200 ºC Range 0.05 Time constant slow Fila temp: 230 °C Fila max: 390 °C Polarity: negative Autozero: DEFC-13 Reference: 30 ml/min Detector (middle FID) Temp: 300°C Time constant: Slow Range Autozero: DEFC-11 Make-up:...
-
Page 9: Trouble Shooting
In case of any analytical problem, it is always advised to record an analysis using a reference sample. The result, including full details can be submitted to your local Scion Instruments service department to judge performance. Fig. 1 and fig. 2 show chromatograms of the TCD and FID tracks respectively. - Page 10 Scion Instruments µV GC0903B101_NGA-C_5_5_2009 1_02_00 PM_1_28.DATA [Middle (TCD)] 650,000 600,000 550,000 500,000 450,000 400,000 350,000 300,000 250,000 200,000 150,000 100,000 50,000 RT [min] -50,000 Fig 1: TCD channel µV 1,400,000 GC0903B101_NGA-C_5_5_2009 1_02_00 PM_1_28.DATA [Rear (FID)] 1,300,000 1,200,000 1,100,000 1,000,000 900,000...
-
Page 11: Step By Step
Scion Instruments STEP BY STEP Step by step customer drawings Natgas C Analyzer Scion Instruments Natgas C Analyzer +He/H Channel Reference Manual Page: 11... - Page 12 Scion Instruments Initial Position Gas sample IN EFC-24 EFC-25 rear front Helium Helium Gas sample OUT (To HeH2 channel) LSV 5 V - 1 Liquid sample IN Liquid sample OUT EFC-24 middle Helium Sample loop 250 µL Splitvent S/SL Injector...
- Page 13 Scion Instruments Fill position Gas sample IN EFC-24 EFC-25 rear front Helium Helium Gas sample OUT (To HeH2 channel) LSV 5 V - 1 Liquid sample IN Liquid sample OUT EFC-24 middle Helium Sample loop 250 µL Splitvent S/SL Injector...
- Page 14 Scion Instruments Inject position Gas sample IN EFC-24 EFC-25 rear front Helium Helium Gas sample OUT (To HeH2 channel) V - 1 LSV 5 Liquid sample IN Liquid sample OUT EFC-24 middle Helium Sample loop 250 µL Splitvent S/SL Injector...
- Page 15 Scion Instruments Backflush position Gas sample IN EFC-24 EFC-25 rear front Helium Helium Gas sample OUT (To HeH2 channel) LSV 5 V - 1 Liquid sample IN Liquid sample OUT EFC-24 middle Helium Sample loop 250 µL Splitvent S/SL Injector...