Optimizing the performance of your D3606 column set

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My previous post “Simple tips to help your D3606 column set last longer” provided several recommendations for maximizing the lifetime of this column set.  In this post, I will provide suggestions to help you reproduce the results of the QA test chromatogram which was included with your column set.

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1.  Thoroughly review the included instruction sheet for this column set.

2.  Verify the temperature of your GC oven is 135°C by using an accurate thermometer or digital thermocouple thermometer.  Do not simply rely on the instrument temperature display.

3.  Verify the carrier gas flow rate (of helium or nitrogen) is 20mL/min by using a high quality digital flow meter.  Head pressure will be approximately 65psi.

4.  Carefully follow the instructions listed in ASTM D3606 for setting the correct back-flush time for your particular instrument (approximately 2.4 minutes).

5.  Make sure columns are correctly installed (oriented) to your inlet and valve (see our instruction sheet for details).

6.  Using a high quality electronic leak detector, thoroughly check each connection to verify it is leak-free.

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I hope you have found this information helpful.  If you have any questions, please email us at technical service .

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