Kastle Meyer Test

A presumed blood sample is first collected with a swab. Phenolphthalein reacts with hydrogen peroxide in the presence of.

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Kastle-Meyer Test This laboratory protocol or part thereof has been provided as an example of a laboratory SOP courtesy of the Illinois State Police.

Kastle meyer test. The Kastle-Meyer test has the same reaction with human blood as it does with any other hemoglobin-based blood so a confirmatory test such as the Ouchterlony Test must be performed to definitively. It has been included for. 3 The Kastle-Meyer test is a presumptive blood test.

Kastle Meyer and Hemastix reagents are presumptive tests commonly used in forensic casework for the detection of blood and their suitability has been. The Phenolphthalein test is a catalytic test for the detection of blood. A drop of phenolphthalin reagent is added to the sample and after a few seconds a drop of hydrogen peroxide is applied to the swab.

Been widely used to identify the presence of blood is the Kastle Meyer reactive which has the characteristic of being fast efficient and cheap facilitating its access and use. There are typically notes that are taken during that case review. Refer to FB Evidence Examination for guidelines on conducting confirmatory testing.

The Kastle-Meyer test is a quick inexpensive test used to analyze evidence at a crime scene for the presence of blood. Kastle Meyer KM test is a quick simple reliable and not expensive forensic test for the presence of blood its sensitive specific and consume as little of the sample as possible. Kastle-Meyer Test - Method.

If the swab turns pink rapidly it is said to test. This test is non-specific for the presence of blood. And then you get to see those notes and then from that you know which pieces of evidence to test.

Synthesis Condensation of phthalic anhydride combined with two equivalents of phenol under acidic conditions using concentrated hydrochloric acid and heat Synthesis was discovered by the German chemist Adolf von Baeyer9 9Brewer Charles. It is also known as the Kastle-Meyer or KM test for presumptive blood.

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