Patent ID: 11965838
Assignee: 3AWATER OY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The portable assessment kit according to claim 1, wherein the pre-concentration disc comprises of a material selected from a group of:
a porous structure including a pore surface layer, wherein the pore surface layer comprises at least two atomic layers of at least one of the following: carbon, silicon carbide, silicon oxycarbide;
a porous structure including a pore surface layer, wherein the pore surface layer comprises at least one metal binding ligand covalently bonded to the surface layer, the metal binding ligand being selected from functionalities comprising at least one of the following bond types: P—O, P═O, S—O, S═O, C—O, C═O, P—N, S—H;
an ion exchange resin; and
a porous carbon structure.