(Microplastic detection scheme) Thermal extraction thermal desorption gas chromatography-mass spectrometry

NegotiableUpdate on 05/07

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Overview

TED-GC-MS stands for "Thermal Extraction Thermal Desorption Gas Chromatography Mass Spectrometry" method, which only lasts for a few hours, so the measurement results are available no later than one week after sampling. In addition, the (microplastic detection scheme) thermal extraction desorption gas chromatography-mass spectrometry is more quantifiable: this analysis provides accurate information on how many micrograms of microplastic particles are included in addition to a large amount of natural particles, such as the total amount of microplastics in one liter of water. These data form the basis for measuring limit values and controlling microplastics.

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TED-GC-MS stands for "Thermal Extraction Thermal Desorption Gas Chromatography Mass Spectrometry" method, which only lasts for a few hours, so the measurement results are available no later than one week after sampling. In addition,(Microplastic detection scheme) Thermal extraction thermal desorption gas chromatography-mass spectrometryMore quantifiable: This analysis provides accurate information on how many micrograms of microplastic particles are included in addition to a large amount of natural particles, such as the total amount of microplastics in one liter of water. These data form the basis for measuring limit values and controlling microplastics.

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TED-GC-MS

The newly developed core includes two analytical techniques: thermogravimetric analysis (TGA) and coupled thermal desorption gas chromatography-mass spectrometry (TDU-GC-MS). TGA is known as the standard analytical method for polymers, while GC-MS is a commonly used method in trace analysis.

Detection results of microplastics in beverages

Microplastics in food, such as beverages in plastic bottles, are a highly concerned issue among the public. The existing analysis methods focus on determining the number of particles, requiring sophisticated sampling tools, laboratory infrastructure, and typically time-consuming imaging detection methods.

The Federal Institute for Materials Research in Germany uses microfiltration crucibles for sampling and directly determines the mass content of microplastics in crucible samples through thermal extraction desorption gas chromatography-mass spectrometry (TED-GC-MS). This method determines that the microplastic content of the sample in the beverage bottle is below 0.01 μ g/L to 2 μ g/L, depending on the type of plastic bottle.

(Microplastic detection scheme) Thermal extraction thermal desorption gas chromatography-mass spectrometryExperimental effect parameters:

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Microplastic content measured in samples of drinking water, cola, and apple cider from several types of plastic bottles (screenshot original).