Appeal No. 95-0339
Application 07/881,941
TJO/cam
APPENDIX
1. A system for detecting the presence of contaminants in
supercritical fluid, said system comprising:
a processing vessel which contains supercritical fluid;
sampling means for removing at least a portion of super-
critical fluid from said processing vessel and introducing said
portion as a sample stream of supercritical fluid into a vessel
having walls defining a contaminant measurement zone;
pressure releasing means for maintaining the pressure within
said measurement zone at or below the level required to convert
said sample stream into a gas wherein said contaminants present
in said sample stream remain in a non-gaseous form;
an attenuated total reflectance plate having an exterior
surface located within said measurement zone wherein said non-
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