PH indicator - Wikipedia, the free encyclopedia
A pH indicator is a halochromic chemical compound that is added in small amounts to a solution so that the pH (acidity or alkalinity) of the solution can be determined visually. Hence a pH indicator...
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chemical indicator ( ′kemikəl ′ində′kādər ) ( analytical chemistry ) A substance whose physical appearance is altered at or near the end point of a ... Sci-Tech Dictionary: chemical indicator...
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Definition from Wiktionary, a free dictionary ... complexometric indicator ... redox indicator...
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Britannica online encyclopedia article on chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. ... leading indicator. Chemical Week, November 7, 2007...
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What is an acid-base indicator?; An acid-base indicator is a weak acid or a weak base. The undissociated form of the indicator is a different color than the iogenic form of the indicator. ... Chemical Structures...
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CEC (cation exchange capacity) ... Toxins (heavy metals, pesticides, organic compounds) ... Back to first slide...
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Identification of a chemical indicator of the rupture of 1,4-β-glycosidic bonds of cellulose in an oil-impregnated insulating paper system...
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Chemical indicator strip used to monitor exposure to time and temperature in dry heat sterilizers. (Medical Division) ... Chemical indicator strip used to monitor exposure to time and temperature in dry heat sterilizers. Verifies that the sterilant has penetrated to the point of placement in the pack and confirms...
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Pressure-sensitive chemical indicator labels for steam, steam/EO or dry heat sterilization processes that verify sterilization exposure. (Medical Division) ... Peel-off pressure-sensitive chemical indicator labels for steam or dry heat sterilization processes that verify sterilization exposure. Especially suited for use...
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A chemical indicator of an aurin moiety in a substrate to detect the presence of an oxidizing agent. ... 1. A chemical indicator comprising: an aurin moiety in a substrate to detect the presence of an oxidizing agent. 2. The chemical indicator of claim 1, wherein the aurin moiety comprises a salt of aurintricarboxylic acid.
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