Rick Raaijmakers

5 Questions 1 Answers 0 Followers

Questions related from Rick Raaijmakers

Measurement of volatile contamination in DEHP?

Does anyone know an analytical method (besides GC-MS-Headspace or GC-IMS) for the detection and identification of highly volatile and organic compounds which emerge from liquid plasticizers like DEHP?

14 November 2022 4,942 0 View

Why an increasing Mass Spectrometer sensitivity?

We are extracting PVC compounds using diethylether. We analyse this extract directly on our GC-MS system. After analyzing this extract on our GC-MS, we observe an increasing baseline of the...

11 March 2022 4,515 1 View

Can you fully extract erucamide from polyolefin by using simple solvent extraction?

Me and my colleagues are looking for a quantative GC-FID/MS method for the determination of erucamide in polyolefin foil. Most of the articles suggest pressurized solvent extraction. We are not...

27 October 2021 4,844 1 View

Does anyone know a Gas Chromatographic method for the determination of Irgafos 168 and the oxidized variant?

We are in possession of a GC-MS/FID system and want to quantify Irgafos 168 (plus Irganox 168) in PE foil. At this point we only encountered a method which uses saponification of Irgafos 168 by...

19 May 2021 8,005 3 View

Why do I have an exponential curve?

Dear all, At this moment I am using a GC-MS system for DEHP trace measurements. I use an internal standard method to analyse a range of 5 to 40 ppm DEHP in solution (DCM). This range has been...

28 April 2021 3,631 3 View