Category Archives: GC/MS

Supercharged GC/MS

Posted on August 18, 2011 by Joe Ocando

Recently, an overhaul was conducted on our Shimadzu GC/MS.  Both source and trap filaments were replaced inside the ion source box, the heart of the system.  This is where your sample gets zapped by an electron beam turning it into … Continue reading →

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What exactly is a quadrupole MS anyway?

Posted on March 25, 2011 by Joe Ocando

Many mass spectrometers (like our Shimadzu 5050A) operate by shooting an electron stream at a sample causing the molecules to fragment.  The ions formed have a +1 charge because of the electron lost by the broken bond.  Masses of interest … Continue reading →

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GC Column Replacement Yields “Perfect” Data

Posted on February 14, 2011 by Joe Ocando

After complaints of inability to replicate MS data obtained by direct insertion, a new Restek column has been installed in the Shimadzu GC.  It has been quite some time since this replacement was performed.  A quiet ceremony will be held … Continue reading →

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How To Set Up Your GC/MS Analysis In 3 Easy Steps

Posted on January 14, 2011 by Joe Ocando

Most software is easily navigable with a little practice.  Have your syringe ready and be sure to follow the 3 simple steps in this video:

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