Patent · US Expired

Use of sparingly soluble salt of a heteropoly acid for the determination of an analyte, a corresponding method of determination as well as a suitable agent thereof

US5382523A · kind A · utility

19Cited by

5References

8Claims

0Family size

Assignee

Boehringer Mannheim GmbH · DE

Inventors

Joachim Hoenes · Zwingenberg, DE
Hans Wielinger · Weinheim, DE
Volker Unkrig · Ladenburg, DE

Key dates

Filing date	Apr 13, 1993
Grant date	Jan 17, 1995
Priority date	—
Expiry date	Apr 13, 2013

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/175383
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sparingly soluble salt of a heteropoly acid is used for the determination of an analyte which is an aromatic amine rich in electrons or together with another substance leads to such an amine. The analyte is determined by means of the heteropoly blue color formed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.