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Abstract
The goal of this research was to make silver nanoparticles (NPP) with a cherry fruit extract bioreductor which was used for mercury metal analysis by using a digital image method. The process of making silver nanoparticles had done by a bottom up method involving a reduction reaction. The precursors used were 1 mM AgNO3 solution and as a bioreductor was an antioxidant compound which were in cherry fruit extract. Variation of the volume ratio between cherry fruit extract and 1 mM AgNO3 solution was 1: 3, 1: 4, 1: 5, 1: 6, and 1: 7 and the variation of contact time were 5, 15, 30, 45, 1, 2, 3 hours, and 1, 2, 7 days. The most optimum results of silver nanoparticles were synthesized with 1 : 4 volume ratio and 1 hour contact time. From the results of selectivity test, it was known that silver nanoparticles were made selective toward Hg and Fe metal. The sensitivity test toward Hg metal, it was known that NPP can detect mercury metal with the smallest concentration of 16,7 ppb.
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References
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References
Riyadi, S. 2010. Analisis Kadar Merkuri (Hg) Di Dalam Krim Pemutih (Whitening Cream) dengan Menggunakan Alat Analisa Genggam Niton XL3t GOLDD+. Product Applicator . PT. Tawada Scientific. Diakses 29 Oktober 2016
BPOM RI. 2007. Tentang Krim pemutih Mengandung Bahan Berbahaya dan Zat Warna yang Dilarang. No. KH.00.01.432.6081. 8(5):8 . ISSN : 1829-9334. Diakses 27 November 2016.
Firdaus, M. L., Alwi,W, Trinoveldi,F, Rahayu, I, Rahmidar, L, Warsito,K, 2014. Deter-mination of Chromium and Iron Using Digital Image-Based Colorimetry, Proc. Environ. Sci., 20, 298.
Caro, C., Castillo, P.M., Klippstein, R., Pozo, D., Zaderenko, A.P. 2010. Silver Nanoparticles: Sensing and Imaging Application. University of Seville-UPO-Junta the andalucia-spain. Diakses 12 November 2016.
BPOM RI. 2010. Peraturan Kepala Badan Pengawas Obat Dan Makanan Republik Indo-nesia. Tentang Bahan Krim pemutih. Nomor : Hk.00.05.42.1018 hal. 5 lampiran. Daftar Bahan Pengawet Yang Diizinkan Digunakan Dalam Krim Pemutih. Diakses 27 November 2016.
Handayani, W. 2011. Pemanfaatan Tanaman Tropis Untuk Biosintesis Nanopartikel Perak dan Aplikasinya Sebagai Indicator Kolorimetri Keberadaan Logam Berat. Tesis :Repositori Universitas Indonesia : Jakarta. http://lontar.ui. ac.id .Diakses 15 November 2016.
Rahman, M., Fakir, S.A., Rahman, M. 2010. Fruit Growth of ChinaCherry (Muntingia calabura). Botany Research International 3. ISSN 2221-3635
Lin, L., Chen, Y., Chang, Chen, T., Yang, D. 2017. Food Function. DOI : 10.1039/C7FO00059F. Diakses 30 April 2017.
Firdaus ML, Fitriani I, Wyantuti S, Hartati YW, Khaydarov R, McAlister JA, Obata H, Gamo T.. 2017b. Colorimetric Detection of Mercury (II) Ion in Aqueous Solution Using Silver Nano-particles. Analyt. Sci, 33,800.
Firdaus, M.L, Andriana, S, Elvinawati, Alwi, W, Swistoro, E, A Ruyani and Sundaryono, A. . 2017a. Green Synthesis of Silver Nanoparticles Using Carica Papaya Friut Extract Under Sunlight Irradiation and Their Colorimetric De-tection of Mercury Ions, J. Phys: Conf. Ser., 817,012029.
Gao, X., Lu, Y., He, S., Li, X., Chen, W. 2015. Colorimetric detection of ironions (III) based on the highly sensitive plasmonic response of the N-acetyl-L-cysteine-sta-bilized silver nanoparticles. Analytica Chimica Acta. www.elsevier.com/
Bothra, S., Solanki, J.N., Sahoo, S.K. 2013. Functionalized Silver Nanoparticles as Chemo-sensor for pH, Hg2+ and Fe3+ in Aqueous Medium, Sensors and Actuators B: Chemical, http://dx.doi.org/10.1016/j.snb.2013.07.111.
Harbone,J.B.,1987.Metode Fitokimia,Penuntun Cara Modern Menganalisis Tumbuhan. Terje-mahan K. Phmawinata dan I. Soediro, ITB. Bandung.