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CHROMTECH :  Specialists in Chromatography
- Fluid Transfer Products : & FOR !All Your Laboratory Needs
- Importers & Distributors in AUSTRALIA

SRI MultiGas Analyzer GCs

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MultiGas Analyzer GC ALL 2016

SRI have effective solutions BUT there are other options
Gas Analysis is an “ART” in itself . . . Enquire for alternatives !)

[SRI GCs-m5] [SRI GCs] [PeakSimple DataSystem] [SRI GCs 2016] [SRI Custom GCs] [SRI MultiGas Analyzer GCs] [SRI MGA-5 Update] [SRI015 NEW Ideas] [SRI Tech Resources]

Various Systems : SRI have evolved these over many years. . . many INNOVATIVE and Unique designs
ALL at a  Cost performance compromise !
No Single Column will analyze ALL permanent gases and HCs  & normally limited to C6 max)
unless you want to invest in a High-Speed Calidus Capillary GC System and then up to C9 ( C12maybe? ) at “megabucks”
O f
LDetek offer amazing dedicated range of HighPurity Gas Analysis Systems including a more Universal PlasmaEmission Detector and also including a New MultiDetek#2 GC
- multiple columns (10max) and auxiliary ovens/heating zones Unique designs
- process control type complex
: but at >$$$ more

some HINTS . . .
H2 analysis is still a big problem on ANY TCDs
Use Argon as Carrier Gas > High sensitivity but useless for ALL other analytes re sensitivity
 - Helium & TCDs creates anomolous behavior 1-10% X-over and on ANY GC Brand;  cross over response > negative peaks > poor response Quantitation > Useless without extreme work-around ASK!
Dual/Parallel Columns CTD1 can be problematic for complex sample (inc HCs > C6) re spurious peaks etc & Alltech is GONE!
> SRI > Parralll Dual Packed Column
> gererally are but an over simplistic cost (GC options) compromise for specifix fixed type gas  App

  • consideration required for backflushing hence refinements of the MG#5
  • Heated GSV Oven is recommended if samples contain water ( to avoid condensation etc )
  • for ppM CO and CO2 you need the Methaniser-FID Option
  • an OxyTrap on the carrier gas is essential if HayeSep column is to be used at colume temp >150degC otherwise expect spurious carryover bleed peaks DON’t rely entirely on BOC HighGrade Heliun IT CAN NOT BE GUARANTEED

S-Cpds require Silcosteel (MXT) columns and silco sample loops and connecting plumbing
- of course at least a FPD S-selective detector is required

ALL MG systems require CARE in interpretation of Result due to some peak duplication
YOU need quite some technical capability and understanding of such system
OTHERWISE YOU CAN EASILY GET INTO A MESS - and it’s certainly NOT for the “faint-hearted” !

SRI Innovation - CTR-1 Replacement Column for Fixed Gas Analysis PDF

8600-PKC7

CTR-1 Replacement Column

SRI Innovation _ MuliGas Analysers are are dedicated application
Invariable other lab users want to do a simpler job eg run liquid samples
Under inspiration SRI developed a modified MG#3 with an On-column Injection Port
- for use with HayeSep D Column for such purposes AS A SEPARATE Tas K( reqiirng a Timed Event table modificatino compared to the gas analysis App)

WARNIBG POTENTIAL CUSTOMERS are advised to pre-plan for ALL contingencies IN ADVANCE

  • Gas standards ARE generally REQUIRED - can be lengthy lead times for ordering
    -

upgrades ( At least in AUSTRALIA are viritually impossible) - needs expensive freight return for SRI-USA factory ANY Upgrade

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