Definition of Presumptive test
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Presumptive test Definition from Society & Culture Dictionaries & Glossaries
Environmental Engineering (English ver.)
(Water Quality) The first of three steps in the analysis of water or wastewater for the presence of bacteria of fecal origin. Portions of a water sample are inoculated into lactose broth and incubated for 24 hours at 37°C (98.6°F). The presence of acid and gas after that time is a positive test, and the water is presumed to be contaminated. Also see Confirmed Test and Completed Test.
Presumptive test Definition from Law Dictionaries & Glossaries
President's DNA Initiative Glossary
Presumptive test Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
In medical and forensic science, a presumptive test is an analysis of a sample which establishes either:
- The sample is definitely not a certain substance
- The sample probably is the substance.
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