Kastle-Meyer: 1 part in 10,000
Hemastix 1 part in 50,000 [note: Hemastix is based on the TMB test]
TMB gives a fast positive result at 1/10,000 dilution; a slower reaction is seen up to 1 to 1,000,000 dilution.
Shouting at the ocean with pebbles in my mouth since 2008. The subjects of this blog include forensics, the war-on-terror detainees, the Duke lacrosse case, the Knox/Sollecito case, and the academic world as it intersects the political. It will sometimes examine issues of particular interest to Wilmington, NC and the University of North Carolina at Wilmington.