MOTOREX Magazine 2018 112 EN

INSIDE
WHAT’S IN IT, AND
HOW MUCH IS THERE?
Have you ever wondered what ingredients besides orange juice, ice (water) and a cherry
might be in your cocktail, and in what proportions? The gas chromatography mass
spectrometer (GC-MS) at the MOTOREX lab can detect substances with extreme precision,
even at concentrations of less than one part per billion (ppb). For example, the process
could determine whether there are still traces of dishwashing liquid in the glass.
Precision analysis is one of the many elements that
make top-quality MOTOREX products and services
possible.
TEAMWORK BETWEEN TWO ANALYTICAL
PROCESSES
The gas chromatography mass spectrometer (GC-MS)
is made up of two perfectly complementary devices
connected in series:
GAS CHROMATOGRAPH (GC)
Gas chromatography is an analytical method for separating
mixtures into individual chemical compounds.
A heated mixture of the sample with a carrier gas
(such as helium) is forced through a separating tube
(capillary column) and separated into its components
by volatility and polarity. At the end of the separation
process is a detector that precisely measures the
throughput time and quantity for each substance
contained in the sample. The “headspace” process can
also be used to more easily detect volatile components
in the gas phase.
MASS SPECTROMETER (MS)
Mass spectroscopy (MS) is used to measure mass by
ionizing molecules, giving them an electric charge.
These charged particles, or parts of them, are then
sorted and analyzed by their mass and charge, by
which they can be precisely identified.
THE KEY TO A NEW LEVEL OF QUALITY
Using the gas chromatography mass spectrometer
yields numerous benefits for you, our customer. Below
are a few examples of how analysis results in
combination with the expertise of the MOTOREX R&D
department can pay off:
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