Ditemukan 1 dokumen yang sesuai dengan query
Polanda Angelia
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Formaldehyde, also known as formalin, is a chemical substance which is frequently misused by food producers and traders. One of accurate reagents to identify formalin is Schryver reagent. The aim of this research is to optimize Schryver reagent for usage in indicator papers and wet tissue. Based on five formulas that have been tested, it is determined that formula 3, which contains 7% phenyl hydrazine hydrochloride; HCl 4,5N; and 5% potassium ferricyanide, is the chosen ...
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Depok: Fakultas Farmasi Universitas Indonesia, 2009
S32902
UI - Skripsi Open Universitas Indonesia Library
