Method for measuring the efficiency of gas mask filters

Details Method for measuring the efficiency of gas mask filters Method for measuring the efficiency of gas mask filters

1990-12-31

1991-10-22

Stoll, Robert L.

Compositions

Nonreactive analytical, testing, or indicating compositions

252305, 73 40, 261 181, G01N 3200

Patent

active

050593480

ABSTRACT:
An improved process of passing an aerosol mixture through a filter. The asol is generated by nebulization of the mixture prior to penetration of the filter. The aerosol mixture being in %, by volume, of about:

REFERENCES:
patent: H267 (1987-05-01), Carlton et al.
patent: 4914957 (1990-04-01), Dougherty
patent: 4917830 (1990-04-01), Ortiz et al.
patent: 4963289 (1990-10-01), Ortiz et al.

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