Chemistry: analytical and immunological testing – Determination of water
Patent
1985-12-12
1988-07-05
Marcus, Michael S.
Chemistry: analytical and immunological testing
Determination of water
422 68, 422102, 422104, 422 90, 436151, 436155, G01N 2728, G01N 2742
Patent
active
047554703
ABSTRACT:
A process for measuring the relative equilibrium moisture content, particularly of surface samples such as papers, films, woven material or the like, with which the sample is introduced into a hermetically sealable measuring tube and then the equilibrium moisture content arising from a temperature which is predetermined and adjustable by means of a thermostat is measured by a moisture sensor inserted into the measuring tube and not touching the sample. An apparatus serves to carry out the process which has a measuring tube which can be sealed on both sides and can be inserted into a thermostat, in which measuring tube frames are arranged for holding the sample to be examined, and which has a moisture sensor provided at the side sealing the measuring tube.
REFERENCES:
patent: 1826115 (1931-10-01), Ziebarth
patent: 2591691 (1952-04-01), Forrester
patent: 3437448 (1969-04-01), Miczka
patent: 3618368 (1971-11-01), Lesemann
patent: 3671195 (1972-06-01), Bersin
patent: 3775229 (1973-11-01), Beckers
patent: 4227399 (1980-10-01), Groinger
Hamed Saleman
Soder Jorg M.
AGFA -Gevaert Aktiengesellschaft
Marcus Michael S.
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