Acid/based indicators from the leaf extracts of Hemigraphis alternata, Iresine herbstii cv., Setcreasea pallida, and aerva sanguinolenta BL.
Plant extracts were prepared from the Philippine ornamental plants dahong-pula (Hemigraphis alternata), blood leaf (Iresine herstii cv.), purple heart (Setcreasea pallida), and bagat-bagat (Aerva sanguinolenta BI.). Among the three solvents---water, methanol, and acetone---used in the extraction of...
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| Materialtyp: | Lärdomsprov |
| Språk: | English |
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2003.
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