Fluid sampler and testing unit

Details Fluid sampler and testing unit Fluid sampler and testing unit

1993-06-11

1996-12-10

Beisner, William H.

Chemistry: molecular biology and microbiology

Apparatus

Including measuring or testing

4352882, 4353042, 422102, C12M 134

Patent

active

055830447

ABSTRACT:
A sampling and testing unit or bottle and method to perform presumptive testing of aqueous solutions to determine bacterial contamination if present, such testing to measure and indicate the presence of contaminants which, if in the presence of nutrients, will multiply in such a manner as to form gaseous products such as those which would be formed if the growth of same were to be a fermentation reaction with the evolution of gaseous material which would be easily observed by the positive displacement of the aqueous solution from an inverted tube or tubes incorporated into the body of the apparatus, in addition to the brilliant chromophoric confirmations tests as would be established by indicator color changes of materials incorporated in the nutrient media placed in the apparatus.

REFERENCES:
patent: 1834536 (1931-12-01), Schaut
patent: 4314029 (1982-02-01), Ohtake et al.
patent: 4868110 (1989-09-01), DesRosier et al.
patent: 4952498 (1990-08-01), Waters
patent: 5047331 (1991-09-01), Swaine et al.

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