| Patent Number |
Title Of Patent |
Date Issued |
| 5423228 |
Dilution stack sampling apparatus |
June 13, 1995 |
| Dilution stack sampling apparatus, for analyzing gaseous components of a gas stream from a stack containing particulate material of varying size therein. A passageway has a first end communicating at an angle with the probe intermediate its ends to receive a sample of gas and to change i |
| 5053623 |
Photometric analyzer for differential total reduced sulfur measurement by comparison with sample |
October 1, 1991 |
| A photometric analyzer for measuring differential total reduced sulfur in a sample gas stream is provided. It includes a supply for a sulfur bearing gas sample, an oven having an inlet connected to the supply for converting TRS to SO.sub.2 and an outlet through which the gas sample is di |
| 3967933 |
Dual channel nitrogen oxides analyzer |
July 6, 1976 |
| Sample air is divided into two paths. One path leads through a thermal converter where ambient NO.sub.2 is changed into NO. The other path passes through equivalent tubing to keep the air samples synchronized. Both samples then go to separate cells where each combines with ozone. The |
