indicator dye - ορισμός. Τι είναι το indicator dye
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Τι (ποιος) είναι indicator dye - ορισμός

HALOCHROMIC CHEMICAL COMPOUND ADDED IN SMALL AMOUNTS TO A SOLUTION SO THE PH OF THE SOLUTION CAN BE DETERMINED VISUALLY
Acid-base indicator; Ph indicator; Chemical indicator; Acidity or alkalinity; Acid-base indicators; PH paper; PH Indicator; PH indicators; PH Indicators; PH indicator dye; Acid base indicator; Ph paper; Natural pH indicator
  • pH indicators: a graphic view
  • Absorption spectra of [[bromocresol green]] at different stages of protonation
  • pH measurement with indicator paper

Economic indicator         
  • credit]] as lagging indicator.
  • Corporate equities as leading indicator with respect to [[GDP]].
  • [[Federal Funds Rate]] in the USA lagging behind [[capacity utilization]] in [[manufacturing]].
  • The [[wage share]] (arguably) as countercyclical, but also as a lagging indicator with respect to the [[employment rate]] as procyclical indicator in the USA
  • Core PCE}}
MEASURE, WHICH ALLOWS STATEMENTS ABOUT THE ECONOMIC SITUATION IN GENERAL OF NATIONAL ECONOMIES
Lagging indicator; Business indicator; Economic indicators; Leading economic indicator; Leading indicators; Coincident indicators; Lagging indicators; Leading Indicators; Leading indicator; Coincident economic indicator; Good predictor; Coincident indicator; Lagging economic indicator
An economic indicator is a statistic about an economic activity. Economic indicators allow analysis of economic performance and predictions of future performance.
Triarylmethane dye         
  • Bromocresol green reacts with acids and bases to give differently colored compounds
  • Friedel–Crafts synthesis of thymolphthalein
CLASS OF DYE
Triphenylmethane Dye; Triphenylmethane dye; Victoria blue dye
Triarylmethane dyes are synthetic organic compounds containing triphenylmethane backbones. As dyes, these compounds are intensely colored.
Substantive dye         
  • [[Direct Blue 1]].
  • [[Trypan blue]] (Direct Blue 14), which also exhibits medicinal properties.
  • [[Direct Blue 15]].
Representative direct dyes
WATER-SOLUBLE DYE THAT ADHERES TO A SUBSTRATE, USUALLY A TEXTILE MATERIAL OR LEATHER, WITHOUT THE USE OF A MORDANT
Direct dyes; Direct dye; Direct cotton dye; Direct cotton dyestuff
A substantive dye or direct dye is a dye that adheres to its substrate, typically a textile, by non-ionic forces.

Βικιπαίδεια

PH indicator

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 visually or spectroscopically by changes in absorption and/or emission properties. Hence, a pH indicator is a chemical detector for hydronium ions (H3O+) or hydrogen ions (H+) in the Arrhenius model. Normally, the indicator causes the color of the solution to change depending on the pH. Indicators can also show change in other physical properties; for example, olfactory indicators show change in their odor. The pH value of a neutral solution is 7.0 at 25°C (standard laboratory conditions). Solutions with a pH value below 7.0 are considered acidic and solutions with pH value above 7.0 are basic. Since most naturally occurring organic compounds are weak electrolytes, such as carboxylic acids and amines, pH indicators find many applications in biology and analytical chemistry. Moreover, pH indicators form one of the three main types of indicator compounds used in chemical analysis. For the quantitative analysis of metal cations, the use of complexometric indicators is preferred, whereas the third compound class, the redox indicators, are used in redox titrations (titrations involving one or more redox reactions as the basis of chemical analysis).

Παραδείγματα από το σώμα κειμένου για indicator dye
1. District Judge Jed Rakoff wrote that the agency failed to justify its 2001 agreement with pest control companies, which dropped two provisions from a 1''8 rule requiring them to include a bittering agent and an indicator dye.