PH INDICATOR CONSISTING OF THIOPHENE COMPOUND AND REAGENT CONTAINING SAID PH INDICATOR

The invention relates to the use of thiophenes of the general formula (I) where: R and R independently of one another stand for hydrogen, substituted alkyl, cycloalkyl, aralkyl or R and R form a ring, n is the number 0 or 1, R is a pendant group and R to R stand for dye chemistry substituents, as pH...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GERUHARUTO BUORUFURUMU, KURAUSU BUEERINGU, HERUBERUTO HIYUUGURU, HORUGAA HAIDENRAIHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LAKES MEASURING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHYSICS POLISHES TESTING
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Beschreibung
Zusammenfassung:	The invention relates to the use of thiophenes of the general formula (I) where: R and R independently of one another stand for hydrogen, substituted alkyl, cycloalkyl, aralkyl or R and R form a ring, n is the number 0 or 1, R is a pendant group and R to R stand for dye chemistry substituents, as pH-indicators. The indicators are especially suitable for use in a nonenzymatic test for hexoses, as for instance, glucose.