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chemical indicator

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chemical indicator

[′kem·i·kəl ′in·də‚kād·ər]
(analytical chemistry)
A substance whose physical appearance is altered at or near the end point of a chemical titration.
A substance whose color varies as the concentration of hydrogen ions in the solution to which it is added varies. Also known as indicator.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
[USPRwire, Fri Oct 05 2018] Steam Chemical Indicator Market -- Introduction: Steam sterilization is widely used in medical sterilization and has become one of the largest factors of the steam chemical indicator market.
The chemical indicator strips are likely to be the largest selling segment attributing to the property of fast time of response to one or more of the physical condition.
Saif's invention "Baseer" reads Arabic text and converts itin to Braille, while Yazi's prototype, named "foodi", involved a chemical indicator to determine whether stored fish is safe for consumption.
Trimethylamine, a chemical indicator of seafood spoilage, was not found during the gas chromatographic analysis of the volatile compounds in any of the treatments.
Bone quality is measured by both density and turnover, and serum parathyroid hormone (PTH) levels were seen as significantly correlated with lower levels of osteocalcin - a chemical indicator of bone turnover - in both men and women with type 2 diabetes.
Bone quality is measured by both density and turnover, and serum parathyroid hormone (PTH) levels were seen as significantly correlated with lower levels of osteocalcin-a chemical indicator of bone turnover--in both men and women with type 2 diabetes.
To which colour does an alkali change the chemical indicator litmus paper?
The bottle contains a dried mixture of all of the nutrients required to help the bacteria grow ( under conditions similar to those in the human gut( along with a chemical indicator that changes colour to black if E.
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