Apparatus for the quantitative analysis of sample liquid
First Claim
Patent Images
1. A system for quantitative analysis of a sample liquid includinga radiation source whose radiation is in a range of 300 nm to 25 μ
- m, said radiation source providing a beam of incident radiation, said beam having a first width;
a sample carrier disposed opposite said radiation source, said sample carrier having at least one area for supporting a sample liquid and diffusely or specularly reflecting the incident radiation from said beam of said radiation source;
a dosing device for applying a predetermined amount of the sample liquid onto the at least one area of the sample carrier, said sample liquid drying to form a dried sample residue on said at least one area of said sample carrier, said dried sample residue having a second width which is less than said first width of said beam, such that said dried sample residue is completely covered by said beam from said radiation source;
a detection device for detecting radiation reflected from the dried sample residue;
said detection device generating output signals; and
an analyzing device coupled to said detection device for analyzing the output signals, wherein said output signals are used for the quantitative analysis of said sample liquid.
1 Assignment
0 Petitions
Accused Products
Abstract
A method and apparatus for the quantitative analysis of sample liquids. A sample is dried and irradiated with visible and/or infrared light. Light that is diffusely or specularly reflected from the sample and sample carrier is detected. and analysed.
27 Citations
11 Claims
-
1. A system for quantitative analysis of a sample liquid including
a radiation source whose radiation is in a range of 300 nm to 25 μ - m, said radiation source providing a beam of incident radiation, said beam having a first width;
a sample carrier disposed opposite said radiation source, said sample carrier having at least one area for supporting a sample liquid and diffusely or specularly reflecting the incident radiation from said beam of said radiation source; a dosing device for applying a predetermined amount of the sample liquid onto the at least one area of the sample carrier, said sample liquid drying to form a dried sample residue on said at least one area of said sample carrier, said dried sample residue having a second width which is less than said first width of said beam, such that said dried sample residue is completely covered by said beam from said radiation source; a detection device for detecting radiation reflected from the dried sample residue;
said detection device generating output signals; andan analyzing device coupled to said detection device for analyzing the output signals, wherein said output signals are used for the quantitative analysis of said sample liquid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- m, said radiation source providing a beam of incident radiation, said beam having a first width;
Specification