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September 2007 edit
what is "m/z"? —Preceding unsigned comment added by 212.213.154.74 (talk) 13:28, 5 September 2007 (UTC)
- 'm/z' stands for 'mass to charge ratio' I'll check that and try to clarify. Leafschik1967 01:47, 6 November 2007 (UTC)
March 2011 edit
What do you mean 'highly parallel'? Either the rods are parallel or they are not. If it is not 180 degrees, specify the angle. 24.54.107.103 (talk) 02:06, 1 March 2011 (UTC)David Kreller
WikiProject class rating edit
This article was automatically assessed because at least one WikiProject had rated the article as stub, and the rating on other projects was brought up to Stub class. BetacommandBot 10:02, 10 November 2007 (UTC)
External link edit
The External Link actually refers to a password protected page, which is not of very much interest to the general reader. 88.98.33.193 (talk) 16:50, 10 November 2014 (UTC)
May 2016 - history and noble prize edit
The article is missing a reference to Paul Wolfgang, the inteventer of the quadrupole in 1953 https://en.wikipedia.org/wiki/Wolfgang_Paul
Feb 2020 edit
I created this image for my thesis, perhaps it can be of use.
mixup edit
The article mixes up the ion selector inside a QMS (= the quadrupole mass analyzer) and the QMS themselves. SCIdude (talk) 15:22, 30 October 2022 (UTC)