Presumptive Blood Test Kit - Tetramethylbenzidine

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This item is made to order to maximize shelf life and will ship in 7-10 days from date of purchase.  

Our Tetramethylbenzidine (TMB) Blood Test Kit is a highly sensitive presumptive test used to determine whether a suspected stain is blood or not. It is often used as a confirmatory test after a phenolphthalein blood test.

The Tetramethylbenzidine (TMB) Blood Test is quick and simple to do. First, collect both a positive control using the supplied Know Bloodstain Control and a negative control by testing an unstained sample. Next, a sample of the suspected stain should be collected using either a piece of filter paper or a cotton-tipped swab. Add one drop of the Tetramethylbenzidine (TMB) reagent, followed by one drop of Hydrogen Peroxide reagent to the collected sample. A positive presumptive result causes the sample to turn a deep blue within several seconds of applying the reagents.

Our Tetramethylbenzidine (TMB) Blood Test Kit is packaged in a durable, lightweight plastic box for easy and safe transport from one crime scene to another. It includes all the premixed chemicals and supplies required to conduct the TMB blood test. All of the reagents are supplied in plastic dropper bottles for easy use. The kit also includes a Known Bloodstain Control to ensure that the test results are accurate. All kit components are also available to reorder individually as needed.

Plastic Kit Box, 8"L x 4" W x 1.75" H
Tetramethylbenzidine (TMB) Reagent 1.5 oz Dropper Bottle
Hydrogen Peroxide Reagent 1.5 oz Dropper Bottle
Distilled Water
Box of Filter Paper
Box of Cotton-Tipped Swabs
Known Bloodstain Control
Kit Instructions Affixed to Inside of the Box

Note: Though not usual, depending on the quantity ordered, this item may require an additional hazardous shipping charge be added. We will contact you if this is the case.