Corrosive liquid leak detecting sensor

Details Corrosive liquid leak detecting sensor Corrosive liquid leak detecting sensor

1986-07-11

1987-12-01

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 53, 436 3, 436151, 436152, 73 40, 350 9629, G01N 1700, G01N 2117, G01N 2171, G02B 622

Patent

active

047103531

ABSTRACT:
A detector for detecting leaks of a corrosive liquid such as strong acids or bases is provided comprising a light guide core having a covering which generates heat upon contact with the liquid to the detected, thereby changing the light transmissivity of the light guide, which change can be measured. The covering comprises a porous polymer having a salt within its pores such as an ammonium salt which dissolves in the liquid to be detected and generates heat thereby.

REFERENCES:
patent: 4029889 (1977-06-01), Mizuochi
patent: 4132540 (1979-01-01), Edwards et al.
patent: 4206632 (1980-06-01), Suzuki
patent: 4283250 (1981-08-01), Abrahamson et al.
patent: 4300689 (1981-11-01), Franklin et al.
patent: 4404516 (1983-09-01), Johnson Jr.
patent: 4590462 (1986-05-01), Moorehead

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