Test for Determining the Phosphate Concentration
AssigneeAxagarius GmbH & Co. KG
InventorsRalph Husmann, Lucas Mertens
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Abstract
The present invention relates to a device for determining the concentration of inorganic phosphate, especially orthophosphate, where said device is a test matrix including a molybdate salt, a solid acid, a PVP derivative, and a mixture of at least two different chromogenic reducing agents. In addition, the invention relates to a process for increasing the sensitivity of a test device.
Claims20
A test device for determining the concentration of inorganic phosphate in a liquid sample, wherein said test device contains a support matrix serving as a support for the liquid sample, the detection reagents and the detection reaction, wherein said support matrix comprises:
- a) at least one molybdate salt;
- b) at least one acid that is solid at room temperature;
- c) a polyvinyl pyrrolidone derivative;
- and
- d) a combination of at least two different chromogenic reducing agents.
Dependencies are inferred from the claim text.