Process and apparatus for measuring the equilibrium moisture in

Details Process and apparatus for measuring the equilibrium moisture in Process and apparatus for measuring the equilibrium moisture in

1987-09-28

1989-04-25

Shoop, Jr., William M.

Measuring and testing

Moisture content or absorption characteristic of material

73 76, 324 585A, 83 98, 72254, G01N 2100

Patent

active

048235954

ABSTRACT:
In a process for measuring the equilibrium moisture in hygroscopic, laminar material coated on both sides, preferably in raw paper coated on both sides used as support for a photographic paper, by determining the relative moisture of the air in contact with the material, samples are removed from the material by a process which forms cut surfaces on the material and are introduced into a container which can be sealed off against the outer atmosphere, and after establishment of the equilibrium moisture in this container the relative moisture of the air contained therein is measured.

REFERENCES:
patent: 3512003 (1970-05-01), Berry et al.
patent: 4297874 (1981-11-01), Sasaki
patent: 4380169 (1983-04-01), Graham
patent: 4418596 (1983-12-01), Garrocho
patent: 4485284 (1984-11-01), Pakulis
patent: 4499708 (1985-02-01), Lewandowski et al.
patent: 4534250 (1985-08-01), Garrocho
patent: 4548072 (1985-10-01), McAndless
patent: 4600879 (1986-07-01), Scully et al.
patent: 4716360 (1987-12-01), Pakulis

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