ionic indicator

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• Capital (architecture) — Ionic capital, from the temple of Athena Polias, Priene, Ionia, in a 19th century engraving In architecture the capital (from the Latin caput, head ) forms the topmost member of a column (or pilaster). It mediates between the column and the load… …   Wikipedia

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• pH — For other uses, see PH (disambiguation). Acids and Bases Acid dissociation constant Acid base extraction Acid–base reaction Acid–base titration Dissociation c …   Wikipedia

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

• PH — is the measure of the acidity or alkalinity of a solution. It is formally a measure of the activity of dissolved hydrogen ions (H+), but for very dilute solutions, the molarity (molar concentration) of H+ may be used as a substitute with little… …   Wikipedia

• Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …   Wikipedia

• Activity (chemistry) — In chemical thermodynamics, activity (symbol a) is a measure of the “effective concentration” of a species in a mixture, meaning that the species chemical potential depends on the activity of a real solution in the same way that it would depend… …   Wikipedia

• Titration — [ frame|Titration setup: the titrant drops from the burette into the analyte solution in the flask. An indicator present then changes color permanently at the endpoint.] Titration is a common laboratory method of quantitative chemical analysis… …   Wikipedia

• Phenolphthalein — IUPAC name 3,3 bis(4 hydroxyphenyl)isobenzofuran 1(3H) one …   Wikipedia

• Equivalence point — or stoichiometric point occurs during a chemical titration when the amount of titrant added is equivalent, or equal, to the amount of analyte present in the sample. In some cases there are multiple equivalence points which are multiples of the… …   Wikipedia

• dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …   Universalium