Presumptive and confirmatory tests

（重定向自Presumptive test）

In medical and forensic science, a presumptive test is an analysis of a sample which establishes either:

For example, the Kastle-Meyer test will show that a sample is not blood, or that the sample is probably blood (but it may be one of a range of less common substances). Further chemical testing is required to prove that the substance is blood.

单词	Presumptive test
释义	Presumptive test 英语百科 Presumptive and confirmatory tests （重定向自Presumptive test） In medical and forensic science, a presumptive test is an analysis of a sample which establishes either: For example, the Kastle-Meyer test will show that a sample is not blood, or that the sample is probably blood (but it may be one of a range of less common substances). Further chemical testing is required to prove that the substance is blood.
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