Mini Electrode Based on Chitosan-Activated Carbon Membrane for Detection Paracetamol in Herbal Medicine by Ani Mulyasuryani, Rachmat Triandi, Zainul Abidin

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Determination of Hydroquinone in a Square Wave Voltammetry based on Screen Printed Carbon Electrode by Alfita Safitri, Ani Mulyasuryani, Rachmat Triandi T

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The Influence of Conditioning Agent on Phosphate Diffusion Coefficient through Polyacrylamide and Agarose Gel by Layta Dinira, Barlah Rumhayati, Rachmat Triandi Tjahjanto

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Study of Suspension Concentration Effect to The Electrical Resistance of Zinc Sulphophthalocyanine (ZnPcSn) Thin Film as Prototype of Ozone Detector by Dhesy Galuh Ratnawati, Masruroh, Rachmat Triandi Tjahjanto

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Modification of Screen Printed Carbon Electrode (SPCE) with Fe3O4 for the Determination of Nitrite (NO2-) in Squarewave Voltammetry by Erica Marista Rosida, Ani Mulyasuryani, Rachmat Triandi Tjahjanto

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PENENTUAN UKURAN KRISTAL (CRYSTALLITE SIZE) LAPISAN TIPIS PZT DENGAN METODE XRD MELALUI PENDEKATAN PERSAMAAN DEBYE SCHERRER by Masruroh, Algafari Bakti Manggara, Titus Lapailaka, Rachmat Triandi

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Synthesis and Activation Study of Iron (Fe) Based Fischer Tropsch (FT) Catalyst Using Sol-gel Method by Muchammad Zainul Anwar, Rachmat Triandi Tjahjanto, Uswatun Hasanah

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Ozone Determination: A Comparison of Quantitative Analysis Methods by Rachmat Triandi Tjahjanto, Dhesy Galuh R., Sri Wardhani

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Simultaneous Voltammetric Detection of Acetaminophen and Caffeine Base on Cassava Starch—Fe₃O₄ Nanoparticle Modified Glassy Carbon Electrode by Ani Mulyasuryani, Rachmat Triandi Tjahjanto, Robi’atul Andawiyah

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Study of Suspension Concentration Effect to The Electrical Resistance of Zinc Sulphophthalocyanine (ZnPcSn) Thin Film as Prototype of Ozone Detector by Dhesy Galuh Ratnawati, Masruroh MASRUROH, Rachmat Triandi Tjahjanto

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The Synthesis of Pb(ZrxTi1-x)O3 from Zirconium(IV) Nitrate Precursor and The Hydrolysis by Akhmad Al-bari, Rachmat Triandi Tjahjanto, Masruroh Masruroh

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Adsorption of Lead and Copper Using Water Hyacinth Compost (Eichornia Crassipes) by Kiky Frederika Rumapar, Barlah Rumhayati, Rachmat Triandi Tjahjanto

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Fabrication of Oxide Ceramic MgFe2O4 Using Iron Oxide Isolated from Lapindo Mud as a Raw Material by Riska Yudhistia Asworo, Rachmat Triandi Tjahjanto, Akhmad Sabarudin

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Acid Isolation Techniques for Silica Isolation from Rice Husk and Determination of Its Physicochemical Properties by Siti Mutrofin, Leo Krisna, Diah Mardiana, Rachmat Triandi Tjahjanto

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Study of Hydrogen Sulfide Adsorption on Silica Gel with Triethanolamine Layer by I Wayan Adi Suarya, Rachmat Triandi Tjahjanto, Ulfa Andayani

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Effect of NaOH Concentration Toward the Characteristics of Activated Natural Zeolite from Blitar – East Java by Andi Nafis An Naafi, Rachmat Triandi Tjahjanto, Yuniar Ponco Prananto

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Photocatalytic Degradation of Methylene Blue Using TiO2-Natural Zeolite as A Photocatalyst by Sri Wardhani, Moh. Farid Rahman, Danar Purwonugroho, Rachmat Triandi Tjahjanto, Christiana Adi Damayanti, Ika Oktavia Wulandari

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Effect of Sintering Temperature on the Microstructure Behavior of Gelcasted Porous Ceramics Using Cassava Starch as Pore Template by Suriati Eka Putri, Diana Eka Pratiwi, Rachmat Triandi Tjahjanto, Nita Magfirah Ilyas, Dahlang Tahir, Abd Rahman, Heryanto Heryanto

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The Effect of Thermal Treatment on the Characteristics of Porous Ceramic-Based Natural Clay and Chitosan Biopolymer Precursors by Suriati Eka Putri, Ahyar Ahmad, Indah Raya, Rachmat Triandi Tjahjanto, Rizal Irfandi, Harningsih Karim, Susilo Sudarman Desa, Abd Rahman

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