Procedure and means for measuring paper formation

Details Procedure and means for measuring paper formation Procedure and means for measuring paper formation

1989-11-02

1991-06-18

Fields, Carolyn E.

Radiant energy

Inspection of solids or liquids by charged particles

Including a radioactive source

2503591, 250374, G01N 2316

Patent

active

050251546

ABSTRACT:
A procedure for measuring the formation of paper, wherein through a paper sample is passed radiation and the radiation that has passed through the paper is observed with a .beta. radiation detector for establishing a spectrum characterizing the formation of the sample, for radiation source being used a liner .beta. radiation source, and the .beta. radiation that has passed through the sample being observed in one dimension with a position-sensitive wire chamber detector operating in limited streamer mode.

REFERENCES:
patent: 3016460 (1962-01-01), Andresen
patent: 3489901 (1970-01-01), Brown

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