… indicators. The observations derived from the present research on Rosa setigera, Allamanda
cathartica, and Hibiscus rosa-… investigators with respect to indicators extracted from plants [1…

… properties for instance olfactory indicator that indicates change in odor. An acid-base indicator
is either a weak acid or weak base that exhibits a colour change as the acidic conditions, …

… acid-base indicators. On the basis of the absorption spectroscopy in both the UV-Vis region
and previous studies, … potential acid and base indicators and had similar results to this study. …

… dye (acid-base indicator) from calyces Hibiscus sabdariffa and to determine the acid-base
indicator properties of … A comparative study on some major constituents of karkade (Hibiscus …

… Mbora, ME A, Ameh AA Comparative Analysis of The Properties Of Acid-Base Indicator
Of Rose (Rosa Setigera), Allamanda (Allamanda Cathartica), And Hibiscus (Hibiscus …

… acid with a strong base. This study used natural indicators of Hibiscus rosa-sinensis L. and
… flowers with phenolphthalein as a comparison indicator. Spreadsheets are used to visualize …

… This study aims to prepare pH paper indicators from natural sources to overcome this …
Comparative analysis of the properties of acid-base indicator of Rose (Rosa setigera), Allamanda (…

… review aims to highlight the acceptability of some of the natural-based indicators, which is
mostly applicable in acid-base … seed when assessed in comparison to a synthetic indicator like …

… indicator. The stability of CT extracts were also conducted in 7 days storage. Findings
from this study shows that CT extract is an effective liquid pH indicator except for weak acid …

… testing their use as natural pH indicators. The aster flower extract methodology reported in
the … study was simple and cost effective. The property of aster flower extracts as pH indicators …