Lama Perendaman dan Jenis Kertas dalam Ekstrak Mahkota Bunga Malvaviscus penduliflorus sebagai Indikator Asam Basa Alternatif.
pH indicator is an essential ingredient in a variety of lab work at secondary schools, especially in the matter of assification substances. Application of natural materials that contain anthocyanins can be used as a natural acid-base indicator. Malvaviscus penduliflorus have anthocyanin in the crown...
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2017.
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