Identifikasi Dan Penetapan Kadar Zat Warna Merah Dalam Dawet Secara KLT-Densitometri
Abstract
In the qualitative and quantative tests using TLC-Densitometry with stationary phase : silica Gel GF254 , mobile phase : isopropanol : ammonia – 4 : 1 and selected maximum wavelength 553 nm, it was found that be red colorant used was Rhodamin B, that was not permitted for foods and the contents found were 0.011 % to 0.016 %.
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PDFDOI: https://doi.org/10.33508/jtpg.v2i1.140