Comparative Analysis of the Properties of Acid‐Base Indicator of Rose (Rosa setigera), Allamanda (Allamanda cathartica), and Hibiscus (Hibiscus rosa-sinensis) …

SIR Okoduwa, LO Mbora, ME Adu… - Biochemistry research …, 2015 - Wiley Online Library
The need to develop effective alternative for synthetic indicators is the demand of present‐
day chemistry. The acid‐base indicator properties of Rose (Rosa setigera), Allamanda …

[PDF][PDF] A Review on Application of Natural Indicators in Acid-base Titration.

M Nag, RK Paul, S Biswas, D Dasgupta… - Pharmacognosy …, 2023 - phcogrev.com
Currently, the most usual analytical methods are established to identify compounds, though
analytical methods like gravimetry and titrimetric analysis were the most concern. In the …

Synthesis, characterization and application of a novel polyazo dye as a universal acid–base indicator

J Naime, MS Al Mamun, MAS Aly, M Maniruzzaman… - RSC …, 2022 - pubs.rsc.org
A novel organic polyazo dye is synthesized by the diazotization of aromatic aniline, followed
by coupling it with sulfanilic acid and N, N-dimethylaniline. Characterization was done by 1H …

Development of Acid–Base Indicators from Natural Pigments in Agar Gel

R Im, T Iwayama, M Osa - Journal of Chemical Education, 2023 - ACS Publications
Teaching chemistry necessitates hands-on activities to help students deeply understand
chemistry concepts and relate scientific principles to daily life. However, constraints in …

[PDF][PDF] A novel, inexpensive and less hazardous acid-base indicator

DJ Pradeep, K Dave - Journal of Laboratory Chemical …, 2013 - researchgate.net
A new acid-base indicator which is less hazardous and inexpensive is proposed. It is
capable of distinguishing between the acids and bases. Titrations were carried out to ensure …

Rhoeo syathacea and Allamanda cathartic extract as a Natural Indicator in Acidometry-Alkalimetry

N Pimpodkar, S Shikalgar, N Shinde… - Asian Journal of …, 2014 - indianjournals.com
A new acid-base indicator which is natural and inexpensive is proposed. It is capable of
distinguishing between the acids and bases. The extract obtained from leaves of Rhoeo …

Use of Argyreia cuneata flower extract as a natural indicator in acid base titration

NV Pimpodkar, BS Surve… - Journal of current pharma …, 2014 - search.proquest.com
Indicators help to determine the equivalence point in acid-base titrations (neutralization
titrations). They show sharp color change with respect to change in pH. Commonly used …

Aqueous extracts of Mozambican plants as alternative and environmentally safe acid-base indicators

DLP Macuvele, GZS Sithole, K Cesca… - … Science and Pollution …, 2016 - Springer
Indicators are substances that change color as the pH of the medium. Many of these
substances are dyes of synthetic origin. The mulala plant (Euclea natalensis), which roots …

ACTIVITY ANALYSIS OF ANTHOCYANIN FROM SYZYGIUM CUMINI (L.) SKEELS AS A NATURAL INDICATOR IN ACIDBASE TITRATION.

M Zulfajri - Rasayan Journal of Chemistry, 2018 - search.ebscohost.com
Abstract Syzygium cumini (L.) skeels (SC) is a fruit containing anthocyanin pigment that can
be used as an indicator in the acid-base titration. An indicator is required in an acid-base …

Euclea natalensis Root Extract as a Green Acid-Base Indicator: pKa Determination and Application in Acid-Base Titration

CJ Raimundo, GJ Muchave, NF Neuana… - Waste and Biomass …, 2024 - Springer
This work presents Euclea natalensis root extracts as a Green acid-base indicator, focusing
on the application in titration and determination of p K a. The Euclea natalensis root extracts …