acid-base indicator

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Related to PH indicator: PH meter
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References in periodicals archive ?
Use strips of pH indicator paper to find a liquid with the same pH.
Tenders are invited For Purchase Of Hospital Necessities Items, dettol solution- 110 ml, hydrogen peroxide solution-400ml, PH indicator paper, drug today book etc.
1% to 5% by weight of a pH indicator that is substantially colorless at pH 7 and develops a color in an acidic environment, (b) 20% to 90% by weight of a surfactant (c) 5% to 55% by weight of a polyalkyfene glycol, (d) 0%
Some of the experiment topics include Activated Charcoal, Chalk and Paper Chromatography, Red Cabbage pH Indicator and Slime.
The majority of cultivated plants can efficiently grow and fruit only in non-acid soils and therefore, soils with the pH indicator lower than 5 have to be limed.
Delvoscan, part of the DSM Delvotest system, reveals antibiotic residues by measuring acid levels that show up as a colour change on a pH indicator.
We know that sugar, salt, and pH can act as food preservatives, a nd since we already carry pH indicator strips, all we had to find was some way of measuring solute concentrations.
A Nitrizine paper (Apothecon, Princeton, NJ) is a pH indicator paper tape that changes from yellow to blue through a pH range of 4.
While attempting to synthesize a substance that would serve as a pH indicator, Bottiger created a novel, brilliant red dye that did not require a mordant to stain textile fibers.
The technique used is similar to that found in the application of pH indicator analysis found in Merck's Veterinarian Manual, with the essential ingredients comprising part of the litter mix.
We have found that the Whatman[R] Type CF, 0-14 pH indicator papers are probably the most useful.
The pH was measured with pH indicator paper (Whatman International), and the specific gravity was measured using an Atago urine specific gravity refractometer.
Patent 6,099,801 covers the device platform technology used to visually detect amines in an iconic fashion and patent 6,113,856 covers the methods and formulations for production of extremely thin, immobilized, pH indicator films with precisely defined color transition points.