As Murakawa has pointed out, the cause of this may be an electric quadrupole moment of the nucleus. The existence of such nuclear quadrupole moments was shown for the first time by Prof. H. Schüler ...

Christie G. Enke and Richard A. Yost didn’t set out to make a mass spectrometer. Their goal was to completely computerize an analytical instrument. It was 1975, still the early days of teaming up ...

The EVOQ triple quadrupole for liquid chromatography (LC-TQ) was developed for the purpose of consistently quantifying thousands of real samples in the fastest sample-to-report time possible. It ...

Agilent Technologies Inc. has introduced a triple quadrupole gas chromatograph/mass spectrometer (GC/MS) and an updated triple quadrupole liquid chromatograph/mass spectrometer (LC/MS) at the American ...

To uncover the molecular composition of samples outside the lab, researchers have been shrinking mass spectrometers to make them portable. Various mass analyzers—the components of the spectrometer ...

The first “quadrupole topological insulator” has been created in a mechanical metamaterial by physicists in Switzerland. The experiment confirms a theoretical prediction made in 2017 that the concepts ...

Invented a half-century ago by Nobel laureate Wolfgang Paul, the quadrupole mass filter has become an integral part of some of the most sophisticated mass spectrometers. Consisting of four parallel ...

One of the most common types of mass spectrometer is the ToF instrument. The basic principle behind ToF mass spectrometers relies on the fact that ions can be separated according to their m/z ratio ...

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A MYSTERIOUS pattern seen in the cosmic microwave background – the faint afterglow of the big bang – has left some physicists wondering whether this central plank in the evidence for the big bang is ...