Browsing by Author "Azis, Eti Rohaeti"
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Adsorpsi ion Cr(III) dan Cr(VI) menggunakan bentonit alam termodifikasi oksida besi
Patri, Niati | Azis, Eti Rohaeti | Soebrata, Betty Marita (2012)Speciation of trivalent and hexavalent chromiums is important to do because both have very different characteristics. Hexavalent chromium is toxic meanwhile trivalent chromium is needed in metabolism. The aim of this study ... -
Developing Paste Carbon Electrode Modified Zeolite and Zeolite-acetylpiridin as Chromium(III) Ion Selective Electrode
Puspitasari, Indah | Azis, Eti Rohaeti | Heryanto, Rudi (2012)One way to increase the sensitivity in measurement of chromium(III) by voltammetry is by modifying the surface of the working electrode. Zeolite of Cikembar 325 mesh was been modified with 2-acetylpiridin and used it to ... -
Intercalation Xilanol Orange on the Natural Zeolit and Their Application as the Zeolite Modified Electrode for Cd Measurement
Fitriyah | Azis, Eti Rohaeti | Darusman, Latifah Kosim (2014)Zeolite is a mineral inorganic micropores of alumina silicate hydrate compounds with alkali metals and alkaline that has a skeleton-shaped cavity. Zeolite mineral have a distinctive trait that matters, namely is high cation ... -
Isolasi dan identifikasi senyawa bioaktif dari akar jambu biji (Psidium guajava Linn.)
Rafi, Mohamad | Azis, Eti Rohaeti | Simanjuntak, Partomuan | Pulungan, Zuraida Fatma (2000)Tumbuhan suku Myrtaceae telah lama digunakan sebagai obat tradisional. Salah satunya yaitu daun, kulit batang atau akar jambu biji yang digunakan di Indonesia sebagai obat diare. Dalam pengembangannya menjadi sediaan ... -
Isolasi dan Identifikasi Senyawa Bioaktif dari Akar Jambu Biji (Psidium guajava Linn.)
Rafi, Mohamad | Azis, Eti Rohaeti | Simanjuntak, Partomuan | Pulungan, Zuraida Fatma (2000)Tumbuhan suku Myrtaceae telah lama digunakan sebagai obat tradisional. Salah satunya yaitu daun, kulit batang atau akar jambu biji yang digunakan di Indonesia sebagai obat diare. Dalam pengembangannya menjadi sediaan ...
