From:  Development of a novel non-targeted analytical method on evaluating the thermal stability of pesticides, enabling the identification of degradation products

 Volatilisation and degradation parameters for each scenario

ScenarioVolatilisation study (TGA)Detection of volatilisation products in TGA-GC-MS?Degradation study (LC/GC-HRMS)Detection of degradation products in LC/GC-HRMS?
①Weight loss
< 10%
NoDecreasing chromatographic intensity < 10%No
②Weight loss
< 10%
NoDecreasing chromatographic intensity > 10% and < 90%Yes
③Weight loss
> 10% and < 90%
Only ASDecreasing chromatographic intensity > 10% and < 90%No
④Weight loss
< 10%
NoDecreasing chromatographic intensity > 90%Yes
⑤Weight loss
> 90%
Only ASDecreasing chromatographic intensity > 90%No
⑥Weight loss
> 10% and < 90%
Degradation products and possibly ASDecreasing chromatographic intensity > 10%Yes

AS: active substance; GC: gas chromatography; HRMS: high-resolution mass spectrometry; LC: liquid chromatography; TGA: thermogravimetric analysis