Abstract
The invention provides a method for the measurement of a concentration of a charged species in a sample, the sample having a plurality of types of charged species and at least one insoluble component. The method comprises: providing the sample on a surface of a partly permeable layer (30); allowing components of the sample to pass through the partly permeable layer (30) into a channel (12); and separating the components into sections, such that each at least one of the sections substantially comprises a single type of the plurality of the types of charged species, and determining the charge concentration in the at least one of the sections.
| Original language | English |
|---|---|
| Patent number | WO2008061542 |
| IPC | G01N 33/ 49 A I |
| Priority date | 21/11/06 |
| Publication status | Published - 29 May 2008 |