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Sunarhadijoso Soenarjo
Pusat Radioisotop dan Radiofarmaka BATAN
Biochemistry, Genetics & Molecular Biology Health Professions Medicine & Pharmacology Public Health

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Studi Pengikatan Cadmium (II) pada Resin Anorganik Titanium Oksida dan Zirkonium Oksida Sunarhadijoso Soenarjo; Titiek Martati; Murti Winanti; Atmi Wirasti
JURNAL ILMU KEFARMASIAN INDONESIA Vol 3 No 1 (2005): JIFI
Publisher : Fakultas Farmasi Universitas Pancasila

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Abstract

Immobilization of Cd-(II) in production technology of indium medical radioisotopes (lll In or 115min) by means of 112Cd (p, 2n) 11 In or 114Cd (n,y) 115Cd 115mIn nuclear reaction is an important step regarding to the quality of the produced radioactive indium and efficiency of the utilization of the enriched targets (112Cd or 114Cd). The phenomena and capacity of Cd-(II) immobilization were studied using two kinds of inorganic oxide resins, i.e. titanium oxide and zirconium oxide. The aim of this study is gaining experimental data supporting the utilization of the resins in the production of 111In and 115min. The immobilization of Cd-(II) was proceeded by treating standard solutions of Cd-(II) with the resins followed by measurement of Cd-(II) content of the treated solution before and after treatment. The separation of the treated Cd-(II) solution from the resin was performed by means of centrifugation, while the measurement of Cd-(II) was performed by means of Ultra Violet spectrophotometry. The ready-used titanium oxide from Merck did not bind Cd-(II) even after being treated with several kinds of activating media. Zirconium oxide synthesized from the reaction of ZrOCI,. 8H,O with a basic solution of NaOH was in the form of the hydrate compound formulated as ZrO. nH,O with the value of n=(1.7034 +0.0186) and showed a capability to bind Cd-(II) higher than that of zirconium oxide synthesized with a basic solution of NH,OH or of the ready-used ZrO2. In general the Cd-(II)-binding capacity of Zro, tends to decrease with increasing of the amount of Zro.
Kapasitas Pengikatan Iodida dan Iod pada Karbon Aktif Konvensional dan Terbrominasi Sunarhadijoso Soenarjo; Swasono R. Tamat; Ade Saputra
JURNAL ILMU KEFARMASIAN INDONESIA Vol 3 No 2 (2005): JIFI
Publisher : Fakultas Farmasi Universitas Pancasila

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Abstract

Related to the activities in a radioisotope processing laboratory at CDRR, BATAN, active carbon has a great potency and a role as adsorber for radioisotope immobilizing agent in process and installation systems. KAKEN Corporation, a CDRR's collaboration partner in Japan, has introduced a new type of active carbon namely KAKEN Brominated Active Carbon (KBAC) which is claimed to have an anionic exchange character. The presented experiment was thus performed to determine the iodide and iodine binding capacities of the KBAC resin as well as comparing to those of the conventional active carbon, which was also provided by KAKEN (KCAC). The experiment had been done using solutions of natural iodide and iodide - iodine mixtures. The binding capacities were determined by iodometry and iodatometry. In general the results obtained showed that the iodide-binding capacity of KBAC was higher than that of KCAC, but that the iodine-binding capacity of KCAC was higher. The KBAC showed that the binding capacity of iodide from iodide solutions was smaller than that from iodide-iodine samples, while the KCAC showed the reverse.
Co-Authors Ade Saputra Atmi Wirasti Martati, Titiek Murti Winanti Swasono R. Tamat