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definitions.uslegal.com/p/presumptive-test

Presumptive Test Law and Legal Definition. A presumptive test is one used in criminal investigations which is not conclusive, but is used to screen for the presence of a substance. For example, a presumptive test may be used to determine the presence of blood, seminal fluid, or drugs. The results of a presumptive test will not conclusively ...

www.merriam-webster.com/dictionary/presumptive

Presumptive definition is - based on probability or presumption. How to use presumptive in a sentence. ... Test Your Vocabulary. More Confusing Words—Quiz . The magician _____ moved the selected card to the top of the deck. discreetly discretely. Can you spell these 10 commonly misspelled words?

www.dictionary.com/browse/presumptive

Presumptive definition, affording ground for presumption: presumptive evidence. See more.

en.wikipedia.org/wiki/Presumptive_and_confirmatory_tests

Presumptive tests, in medical and forensic science, analyze a sample and establish one of the following: . The sample is definitely not a certain substance. The sample probably is the substance. For example, the Kastle–Meyer test will show either that a sample is not blood or that the sample is probably blood but may be a less common substance. Further chemical tests are needed to prove that ...

www.thefreedictionary.com/presumptive

Define presumptive. presumptive synonyms, presumptive pronunciation, presumptive translation, English dictionary definition of presumptive. adj. 1. Based on a presumption; presumed: the party's presumptive nominee.

www.reference.com/world-view/presumptive-test-79d6a1c50957d9f8

Presumptive tests are used to determine whether a specific chemical is present in a solution. These tests are commonly used to detect whether someone has drugs in their system. A presumptive test indicates whether there has been a reaction between a substance and a particular chemical. It will demonstrate this chemical reaction by changing color.

www.sog.unc.edu/sites/www.sog.unc.edu/files/course_materials/Presumptive and...

Presumptive and Confirmatory Forensic Tests Definitions: Presumptive tests - can establish the possibility that a substance, bodily tissue or fluid is present Confirmatory tests - are used to conclusively identify a substance or specific biological material References: President’s DNA Initiative (for serology tests)

answersdrive.com/what-is-a-presumptive-test-for-a-drug-7334132

A presumptive test may be followed by a definitive test in order to. specifically identify drugs or metabolites. ( AMA4) CMS definition: Presumptive drug testing procedures are “screening” tests for drugs of abuse.

dictionary.cambridge.org/dictionary/english/presumptive

presumptive definition: believed to be something, or likely to be true, based on the information that you have: . Learn more. ... Presumptive positive colonies were confirmed by oxidase reaction, ... Test your vocabulary with our fun image quizzes {{randomImageQuizHook.copyright1}} {{randomImageQuizHook.copyright2}} ...

sites.law.duke.edu/forensicsforum/2017/03/17/an-overview-of-presumptive-and...

Presumptive tests must generally be sensitive and confirmatory tests must generally be specific. Kobilinsky, Liotti, and Oeser-Sweat wrote, “Initially a presumptive screening test is used to identify the evidence. Presumptive tests are usually sensitive but not specific, and thus small amounts of the substance can be detected.