Taiwan, China Updates Inspection Methods for PS Plastic Food Packaging: Six Key Revisions
The packaging industry has continued to advance, which has also driven progress in the packaging materials segment. As health awareness grows, food safety remains a major concern. Many environmental issues that arise from time to time are linked to packaging materials. In this context, Taiwan, China recently revised the inspection methods for PS plastic food packaging.
Six areas were updated in the amendment:
- Lead and cadmium testing: storage bottles and nitric acid solution preparation were added, and the concentration range for standard solution preparation as well as the content determination were revised.
- Volatile substances (styrene, toluene, ethylbenzene, n-propylbenzene and cumene) testing: the method was changed from gas chromatography to gas chromatography-mass spectrometry, with corresponding revisions to the text on devices, reagents, utensils and materials.
- Potassium permanganate consumption testing: volumetric flasks and reagent preparation were added, and the determination was revised.
- Heavy metals testing: reagent preparation was added, and the preparation of the lead standard solution and the preparation of test solutions for liquid-holding containers were revised.
- Evaporation residue testing: reagent preparation was added, and the content determination was revised.
- The limits of quantification for lead, cadmium and volatile substances (styrene, toluene, ethylbenzene, n-propylbenzene and cumene) were revised.
——Source: China Packaging Network (pack.cn); original link: http://news.pack.cn/show-361832.html
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