Trace determination of cadmium content in Malaysian herbs using graphene–ionic liquid-modified screen-printed carbon electrodes
Muhammad Syafiq Nordin,Yusairie Mohd,Noor Fitrah Abu Bakar,and Zainiharyati Mohd Zain
Muhammad Syafiq Nordin
Electrochemical Material and Sensor Research Group (EMAS), Faculty of
Applied Sciences, Universiti Teknologi MARA (UiTM) Shah Alam, 40450 Selangor,
Malaysia
Yusairie Mohd
Electrochemical Material and Sensor Research Group (EMAS), Faculty of
Applied Sciences, Universiti Teknologi MARA (UiTM) Shah Alam, 40450 Selangor,
Malaysia
Noor Fitrah Abu Bakar
Faculty of Chemical Engineering, Universiti Teknologi MARA (UiTM) Shah
Alam, 40450 Selangor, Malaysia
Electrochemical Material and Sensor Research Group (EMAS), Faculty of
Applied Sciences, Universiti Teknologi MARA (UiTM) Shah Alam, 40450 Selangor,
Malaysia
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Cadmium is one of heavy metals that can cause serious health complications if humans are excessively exposed. This research was conducted to detect the amount of cadmium inside herbal plants using a new sensor modified with graphene and ionic liquid. The amount of cadmium inside herbs A, D, M and C were 0.0035, 0.0237, 0.0267 and 0.0251 milligrams/litre, respectively. The results showed that the herbs were safe to be consumed. The developed sensor was comparable to existing detection methods.
Cadmium is one of heavy metals that can cause serious health complications if humans are...