Vol. 13 No. 2 (1997)

Research Articles

• Preparation of Polysulfone Membranes and Their Use in Micellar-Enhanced Ultrafiltration of Coconut Water

  Jane G. Sensano, Anna Cristeta O. Ragragio, Ernesto J. del Rosario

  49-55

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• Properties and Macromolecular Structure of Unacetylated and Acetylated Nata de Coco

  Ma. Assunta C. Cuyegkeng, Ma. Amy L. Dimalanta

  57-62

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• Preparation and Photoelectrical Characterization of Polyaniline Doped with Copper Phthalocyanine Tetrasulfonate

  Stephen R. Cariño, Ishmael S. Ordoñez, Florentino C. Sumera

  63-69

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• A Fluorosensor for Cr(VI) Based on the Inner Filter Effect

  Maila S. Apolinario, Nena V. Rodriguez

  71-75

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• Sulfur Dioxide Sensor Based on a pH-Sensitive Field Effect Transistor

  Benilda S. Ebarvia, Rafael L. Alfonso, Fortunato Sevilla III

  77-83

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• Simultaneous Trace Metal Analysis in Seawater by Linear Sweep Anodic Stripping Voltammetry

  Jose B. Solis, Cherrie B. Pascual

  85-89

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• Development and Characterization of a Microcomputer-Controlled Potentiometric Stripping Analyzer

  Florenda S. Valera, Victoria S. Vicente-Beckett, Armando F. Kapauan

  91-98

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