STARNA SCIENTIFIC LIMITED Patent applications |
Patent application number | Title | Published |
20130070236 | METHOD FOR DETERMINING THE PATH LENGTH OF A SAMPLE AND VALIDATING THE MEASUREMENT OBTAINED - A for traceably determining an unknown optical path length of a sample in an optical measuring device comprises the steps of: providing a drop analyser connected to a standard spectrophotometer; providing a certified reference material contained in first and second closed high accuracy cuvettes; measuring absorbance of the certified reference material to obtain a first absorbance measurement for the first specified path length; measuring absorbance of the certified reference material for a second path length to obtain a second absorbance measurement; using a dropping device to drop a specified volume of the solvent on an optical surface so that the path length of the specified volume can be determined by reference to the first and second absorbance measurement; and using the dropping device to drop the same volume of sample as the specified volume of solvent on the optical measuring device. | 03-21-2013 |
20110013182 | REFERENCE CELL - Reference cell ( | 01-20-2011 |
20100327182 | FLUORESCENCE MEASUREMENT CELL - A cell for measuring the fluorescence of a sample comprising an incident wall surface ( | 12-30-2010 |
20100073673 | CLOSED CELL FOR USE IN SPECTROPHOTOMETERS - A closed cell (1) for use in spectrophotometers, adapted to receive a liquid to be subjected to analysis and an air space or bubble to absorb pressure differentials, wherein the cell (1) includes means to retain the air space or bubble in a predetermined location in the cell. | 03-25-2010 |