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- W2238573269 abstract "Bisphenol A (BPA) is the building block of polycarbonate plastics often usedin food and beverage containers, including baby bottles, and it is also used asan additive in other plastics. BPA is also a component of epoxy resins used fordental materials, including dental sealants, lining of food, beverage containersand numerous other products including thermal papers. It is widely used as acolour developer in the thermal paper.BPA can cause the toxicological effects if present tolerable daily intake (TDI)of 0.05 μg/kg body weight and the effects were proven to be pertinent forhuman health. The BPA content in the thermal paper was extracted anddetermined by High Performance Liquid Chromatography (HPLC) equippedwith a diode array detector.Most of the thermal papers that were obtained from various thermal printerscontained BPA range from 0.0842 g/g to 0.119 g/g. The BPA content inthermal papers were detected by High Performance Liquid Chromatography(HPLC) equipped with a diode array detector. The highest BPA contentrecorded from the credit card machine with 0.119 g/g BPA corresponded to11.9 % of relative recovery. Meanwhile, the lowest BPA content obtained from the retail store machinewith the value of 0.0842 g/g BPA and 8.4 % relative recovery. Besides, theAutomated Teller Machine 2 reported highest BPA content compared to otherautomated teller machines with 0.117 g/g BPA corresponded to 11.7% ofrelative recovery. In the other hand, BPA content was not detected in thethermal paper collected from the debit card machine.The extraction method used in this study including double extraction, solventand sonication used increased the extraction efficiency more than 99.0 %. Thenon-thermal paper used as control and that paper had also being spiked withBPA standard for recovery calculation purpose. The % Recovery recorded forspiking with 100 g/g and 500 g/g BPA standard solution were 107.0 % and111.0% respectively." @default.
- W2238573269 created "2016-06-24" @default.
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- W2238573269 date "2012-01-01" @default.
- W2238573269 modified "2023-09-27" @default.
- W2238573269 title "The determination of Bisphenol A (BPA) in thermal paper by high performance liquid chromatography (HPLC) / Siddiq Hafiz Hassan" @default.
- W2238573269 hasPublicationYear "2012" @default.
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