“Coupled with a multiple-point sampling device, SIFT-MS is an ideal tool for monitoring an area for dimethyl sulfate ”


Vaughan Langford Syft Technologies Director - Applications & Marketing

Dr. Vaughan Langford

BSc(Hons), PhD


Director - Applications & Marketing

Dimethyl sulfate is a moderately volatile compound that is an important reagent in a range of industrial-scale syntheses.

Dimethyl sulfate is also extremely toxic. It is readily and selectively detected to sub-ppbv concentrations in air using both H3O+ and NO+ reagent ions. Rapid switching of these ions within milliseconds – only possible with SIFT-MS – serves to greatly reduce interferences that result in false positives with less selective technologies.

Coupled with a multiple-point sampling device, Selected Ion Flow Tube Mass Spectrometry (SIFT-MS) is an ideal tool for monitoring an area for dimethyl sulfate.  The results shown in the trace below demonstrate the rapid response of a Syft Technologies Voice200ultra SIFT-MS instrument when sampling a stream containing elevated levels of hazardous compound is selected on the Syft multi-port inlet (MPI).

SIFT-MS analysis showing the time response (< 5 seconds) from switching the sample stream to a sampling line that has a significant concentration of dimethyl sulfate

SIFT-MS analysis showing the time response (< 5 seconds) from switching the sample stream to a sampling line that has a significant concentration of dimethyl sulfate

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