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Presumptive Semen Tests

When searching scenes or collecting evidence, it is often helpful to perform a presumptive test for the presence of semen upon those stains that fluoresce under UV light. All the reagents of the Semen Field Tests are sealed in glass crush ampules and packaged in a disposable applicator. The Semen Test Kit includes dropper bottle reagents. A positive result for the presumptive presence of acid phosphatase (semen) is indicated by a deep purple color.