What is Wagenaar’s Test?
This test was discovered by Wagenaar in 1935.
Wagenaar reagent- acetone and Hcl 10% v/v.
It’s Uses In Forensics
It’s a Confirmatory test for blood.
It is also known as Acetone chlor-hemin crystal test.
Indication for the Presence of Blood
When sample goes through wagenaar reagent, it gives brownish rhomboidal crystals under microscope.
How To Perform This Test ?

Drawbacks
Sometimes obtained crystals are difficult to observe.