Measuring and testing – Sampler – sample handling – etc. – With constituent separation
Patent
1989-05-19
1991-05-07
Williams, Hezron E.
Measuring and testing
Sampler, sample handling, etc.
With constituent separation
7386491, B01D 5000
Patent
active
050126814
ABSTRACT:
A method for collecting a particulate sample from a gas or liquid particulate suspension on a substrate and keeping the collected particulate on the substrate in the same position and orientation as when it was initially collected. The substrate for collecting particulate may be covered with a coating or film that reacts with the substrate or the particulate and is optically and electron transparent. A coating or film may be placed over the collected particulate as well as, or instead of, the coating or film directly concerning the collecting substrate. A particulate sample sandwiched between two electron transparent coverings is suitable for analysis by electron microscopy.
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Bell Robert P.
Williams Hezron E.
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