GB/T 39765-2021
ActiveDetermination of benzene,methylbenzene,ethylbenzene,dimethybenzene in stationery—Gas chromatographic method
文具中苯、甲苯、乙苯及二甲苯的测定方法 气相色谱法
Application Summary AI generated
This standard specifies a gas chromatographic method for determining the content of benzene, toluene, ethylbenzene, and xylene in stationery products. It is applied in the quality inspection and safety assessment of writing instruments, such as markers, pens, and correction fluids, to ensure compliance with chemical safety limits. The method is used by testing laboratories and manufacturers to monitor volatile organic compound emissions that pose health risks to users, particularly children.
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