litmus paper


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Related to litmus paper: phenolphthalein

litmus paper

[′lit·məs ‚pā·pər]
(materials)
White, unsized paper saturated by litmus in water; used as a pH indicator.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A standard litmus paper will turn blue if it's alkaline and red if it's acidic," he continued.
With all the media attention it received, it has no doubt served as a litmus paper for the government in its handling of human rights and providing a fair trial.
"The office supply sector is the best litmus paper for an economy.
Conceptually similar to litmus paper, the color of the Pressurex sensor is directly proportional to the amount of force applied.
CAST your mind back to school chemistry lessons using litmus paper to see if a liquid was acidic or alkaline.
Slim black panels on the corners of the tower work as litmus paper that changes colour depending on how much power is being used in the buildings.
A solid acid catalyst breaks down TATP into detectable components that cause the pigments to change colour, like litmus paper.
The precise pressure magnitude (PSI or kg/cm2) is then easily determined by comparing color variation results to a color correlation chart (conceptually similar to interpreting Litmus paper).
Conceptually similar to Litmus paper, the color Pressurex[R] turns is directly proportional to the amount of force applied.
However, it is highly durable and can be used on an industrial scale and unlike litmus paper, which displays acid as red, ITS fibresmart changes from green to fluorescent yellow, allowing it to be seen from a distance, providing an early warning of potential leaks and seepage.
Precise pressure magnitude is easily determined by comparing the resultant color intensity to a color correlation chart (conceptually similar to interpreting Litmus paper).
With a 1in screen, it's modelled on a slip of litmus paper and comes in rose, purple and blue.