[6] Hu B., Li J., Zhao J., Yang J., Bai F., Dou Y.,
Heavy Metal in Surface Sediments of the Liaodong Bay, Bohai Sea: Distribution, Contamination and Sources,
Environ. Monit. Assess.,
185: 5071-5083 (2013).
[13] Ning P.B., Gong C.M., Zhang Y.M., Gue K.K., Bai J.,
Lead, Cadmium, Arsenic, Mercury and Copper Levels in Chinese Yunnan Puer Tea,
Food Addit. Contam. B,
4: 28-33 (2011).
[16] Díaz T.G., Guiberteau A., Soto M.L., Ortiz J.,
Determination of Copper with 5, 5-Dimethylcyclohexane-1, 2, 3-Trione 1, 2-Dioxime 3-Thiosemicarbazone in Olive Oils by Adsorptive Stripping Square Wave Voltammetry,
Food Chem.,
96: 156-162 (2006).
[26] Alizadeh K., Nemati H., Zohrevand S., Hashemi P., Kakanejadifard A., Shamsipur M., Ganjali M.R., Faridbod F.,
Selective Dispersive Liquid-Liquid Microextraction and Preconcentration of Ni(II) into a Micro Droplet Followed by ETAAS Determination Using a Yellow Schiff's Base Bisazanyl Derivative,
Mater. Sci. Eng.,
33: 916-922 (2013).
[28] Arain S.A., Kazi T.G., Afridi H.I., Arain M.S., Panhwar A.H., Khan N., Baig J.A., Shah F.,
A New Dispersive Liquid-Liquid Microextraction Using Ionic Liquid Based Microemulsion Coupled with Cloud Point Extraction for Determination of Copper in Serum and Water Samples,
Ecotoxicol. Environ. Saf.,
126: 186-192 (2016)
[40] Naeemullah Kazi T.G., Afridi H.I., Shah F., Arain S.S., Brahman K.D., Ali J., Arain M.S.,
Simultaneous Determination of Silver and other Heavy Metals in Aquatic Environment Receiving Wastewater from Industrial Area, Applying an Enrichment Method,
Arab. J. Chem., 9: 105-113 (2016)