• Computers connected to GC upgrade from Windows 7 to windows 10

    We are currently using the GC model 7890A, 7890B, 3000A with software version B.04.03-SP1, B.01.01.069, A.04.05 Build  in windows 7. We are planning to upgrade the computers connected to the GC to window...
    last modified by chesupport
  • Varian 450-GC connection to pc

    I have the varian-450 GC working with an old pc and I want to change the pc, what do I need to do for the software to work properly with the GC?
    last modified by sbruno
  • CP-4900 MicroGC Channel 3 shows -554.7 Autozero value. It has been suggested the TCD may be dead, however the other two TCD's report less than 50. The marketing images for these systems suggest the separate GC channels are swappable. Is this so. Would I b

    CP-4900 MicroGC Channel 3 shows -554.7 Autozero value. It has been suggested the TCD may be dead. It reports no signal, however the other two TCD's report less than 50 Autozero and work fine. The marketing images for ...
    last modified by andreaatgalactic
  • Low level Oxygen and CO by 490 Micro GC in plant's nitrogen supply

    Utilizing a 490 Micro GC with a TCD and MolSieve 5A 20 m column we are attempting to determine the purity of our plant's nitrogen as Airgas( run the nitrogen generation plant on site) can not provide chromatography or...
    last modified by eme091
  • Varian

    Hi community,  what is the Agilent part number  - ferrule 28-694570-00 and 89-999570-00 from Varian? I need Agilent part number Aluminum Crunch Washer 15-003347-00 from Varian! For Varian СP-3800. ...
    last modified by a.fedulova
  • I am looking for a contact within R&D who assesses emerging technology in micro instrumentation (GC primarily) for trace analysis in water.

    I am conducting an independent assessment of some early stage technology for micro GC analysis, in lab or in the field.  I am looking for a contact who could provide insight into the feasibility of this technolog...
    last modified by johnhallman
  • Fuse, 10 A

    Hi community! Which fuse, 10 Amp use for Agilent 6890N, 5973, 7820?   Thanks!
    last modified by a.fedulova
  • G3435-60010 FPD signal board, used with series 7820 and 7890 gas chromatography systems

    Hi community! Help me please, I need part G3435-60010 for Agilent 7890A, this FPD signal board obsolete, no replacement recommendation. Whith new part  FPD signal board for Agilent 7890A or Agilent not product t...
    last modified by a.fedulova
  • calibration interval

    What is the recommended calibration interval for TCD , FID and PDHID ?   Any agilent documents talking about this topic
    last modified by amrnasser
  • Can you switch a 7890A from displaying standard flow rates to actual flow rates?

    Our laboratory operates at an altitude well in excess of 2000 meters above sea level. While standard pressure at sea level is ~14 PSI.  Our pressure is ~11.2 PSI.  This is enough of a difference to affect t...
    last modified by dprobst
  • micro GC Not Ready

    We have microGC in the lab, equipped with Buckflush Column module  20 m MS5 (Channel 1) and Column module 10m PPU  (Channel 2).   As carrier gases Ar and He are used, respectively in Ch 1 and Ch 2....
    last modified by biogas
  • Negative peaks in gas analysis with Agilent 490 Micro GC

    Hello lately i have negative peaks problem with my Agilent 490 Micro GC, set up is:   -helium carrier gas -moisture/oxygen filter -column 4m 5CB heated injector -micro TCD detector   I analyze a gas st...
    last modified by dmarchini
  • Rentention time standard mixture and N-methyl-N-(trimethylsily)trifluoroacetamide (MSTFA)

    Hi everyone,   A lots of GC-MS literatures are using rentention time index for peak identification, anyone can share experience how to prepare rentention time standard mixture? We are using methoxyamine hydrochl...
    last modified by sara
  • Live Webinar April 24:  Turning Up the Heat on WAX Columns Without Getting Burned

    100 % polyethylene glycol columns, also known as WAX columns, are used for a wide variety of applications, such as industrial chemicals, flavours and fragrances. In comparison to polysiloxane stationary phases, the ma...
    last modified by fmavandadi
  • Retention Time Locking on OpenLAB CDS 2

    Open video

    last modified by georgereiner
  • Preserving peak performance of your GC-MS - Webinar On-demand link

    Preventative maintenance is something most chromatographers know is important, especially when it comes to a Gas Chromatography Mass Spectrometry systems. Changing the oil and cleaning the ion source are just two very...
    last modified by fmavandadi
  • 490 On Tour.pptx

    Calendar with 2017 tradeshows where the Micro GC is on display.
    last modified by cduvekot
  • Agilent 490-Mobile Micro GC video (720p).mp4

    Agilent 490-Mobile. The latest addition to our Micro GC portfolio, brings the lab to the sample and is big step forward in making out-of-lab analysis easy.
    last modified by cduvekot
  • Strategies for Optimizing your GC System - WEBINAR Dec 13th

    Presenter: Vanessa Abercrombie (Agilent Technologies, USA) Dates: 13 and 14 December, 2016   This event will broadcast live at three different times: Broadcast #1: Tuesday, 13 December, 7 am PST (California) /...
    last modified by fmavandadi