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  • P-ISSN 2233-4203
  • E-ISSN 2093-8950

Paint Spray Mass Spectrometry for the Detection of Additives from Polymers on Conducting Surfaces

Mass Spectrometry Letters / Mass Spectrometry Letters, (P)2233-4203; (E)2093-8950
2012, v.3 no.1, pp.25-28
https://doi.org/10.5478/MSL.2012.3.1.025
Paine Martin R. L. (University of Wollongong)
Barker Philip J. (BlueScope Steel Research)
Blanksby Stephen J. (University of Wollongong)
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Abstract

Paint Spray is developed as a direct sampling ionisation method for mass spectrometric analysis of additives in polymer-based surface coatings. The technique simply involves applying an external high voltage (5 kV) to the wetted sample placedin front of the mass spectrometer inlet and represents a much simpler ionisation technique compared to those currently available. The capabilities of Paint Spray are demonstrated herein with the detection of four commercially available hindered amine lightstabilisers; TINUVIN® 770, TINUVIN® 292, TINUVIN® 123 and TINUVIN® 152 directly from thermoset polyester-based coilcoatings. Paint Spray requires no sample preparation or pre-treatment and combined with its simplicity – requiring no specialisedequipment – makes it ideal for use by non-specialists. The application of Paint Spray for industrial use has significant potentialas sample collection from a coil coating production line and Paint Spray ionisation could enable fast quality controlscreening at high sensitivity.

keywords
Paint spray, Additive, Polymer, Ionzation, Mass spectrometry


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Submission Date
2012-03-08
Revised Date
2012-03-12
Accepted Date
2012-03-13
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