A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH (acidity or basicity) of the solution can be determined...

particular humidity is exceeded. pH indicator, a chemical detector for protons in acid-base titrations. Redox indicator, a chemical detector for redox titrations...

A universal indicator is a pH indicator made of a solution of several compounds that exhibit various smooth colour changes over a wide range pH values...

In environmental chemistry, the chemical oxygen demand (COD) is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured...

blue to red at an electrode potential of 0.97 V. Chemical analysis pH indicator Complexometric indicator Ram W. Sabnis; Erwin Ross; Jutta Köthe; Renate...

A bioindicator is any species (an indicator species) or group of species whose function, population, or status can reveal the qualitative status of the...

A humidity indicator card (HIC) is a card on which a moisture-sensitive chemical is impregnated such that it will change color when the indicated relative...

in response to a chemical change. An acid-base indicator (e.g., phenolphthalein) changes color depending on the pH. Redox indicators are also frequently...

neutralizing it using a solution of known concentration (titrant). A pH indicator is used to monitor the progress of the acid–base reaction and a titration...

determine the endpoint include: Indicator: A substance that changes color in response to a chemical change. An acid–base indicator (e.g., phenolphthalein) changes...

urine solutions. Traditionally, chemical sensing has been approached with a system that contains a covalently bound indicator to a receptor though a linker...

5′,5″-tetrabromophenolsulfonphthalein, BPB), albutest is used as a pH indicator, an electrophoretic color marker, and a dye. It can be prepared by slowly...

by-product (DBP) compounds from the original organic chemicals in urine. Rumours of the origin of urine indicator-dye go back at least as far as 1958, and the...

simply "Ph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic...

Two main classes of calcium indicators exist: chemical indicators and genetically encoded calcium indicators (GECI). This technique has allowed studies of...

The Myers–Briggs Type Indicator (MBTI) is a self-report questionnaire that makes pseudoscientific claims to categorize individuals into 16 distinct "psychological...

A complexometric indicator is an ionochromic dye that undergoes a definite color change in presence of specific metal ions. It forms a weak complex with...

Methyl orange is a pH indicator frequently used in titration because of its clear and distinct color variance at different pH values. Methyl orange shows...

indicators is the collection of ecological indicators which can include physical, biological and chemical measures such as atmospheric temperature, the...

line comprises chemical test papers, chemical indicators, chemical test kits, chemical indicator kits, pH indicator pencils, chemical buffers, buffer...

ecosystems, including biological, chemical and physical. Due to this variety, the development and selection of ecological indicators is a complex process.[4] Using...

of Chemical Education. 85 (3): 401. Bibcode:2008JChEd..85..401C. doi:10.1021/ed085p401. Naiman, Barnet (1937). "Preservation of starch indicator". Journal...

(end-of-service-life indicator, ESLI), the indication can be used for timely replacement of cartridges. ESLI can be active or passive. A passive indicator often uses...

Bottle experiment: Autoxidation of benzoin catalyzed by redox indicators". Journal of Chemical Education. 93 (8): 1490–1494. Bibcode:2016JChEd..93.1490R....

an indicator in this situation. The litmus mixture has the CAS number 1393-92-6 and contains 10 to around 15 different dyes. All of the chemical components...

A hydrogencarbonate indicator (hydrogencarbonate indicator) is a type of pH indicator that is sensitive enough to show a color change as the concentration...

chemspider.com/Chemical-Structure.4516362.html (accessed 05:46, Mar 28, 2020) Patton, James; Reeder, Wendell (June 1, 1956). "New Indicator for Titration...

Wastewater quality indicators are laboratory test methodologies to assess suitability of wastewater for disposal, treatment or reuse. The main parameters...

met. Indicator tape is often placed on the packages of products prior to autoclaving, and some packaging incorporates indicators. The indicator changes...

Indicator organisms are used as a proxy to monitor conditions in a particular environment, ecosystem, area, habitat, or consumer product. Certain bacteria...