Teichmann Test
Definition
Confirmatory crystal test. Glacial acetic acid and sodium chloride convert haem to brown, rhombic haemin (ferriprotoporphyrin chloride) crystals. Older, less reliable on aged stains than Takayama.
Related terms
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- Confirmatory Test
- A test with sufficient specificity to establish the identity of a biological fluid for reporting purposes. Examples include Takayama and Teichmann crystal...
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- Presumptive Test
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- Takayama Test
- Confirmatory crystal test. Pyridine, glucose and sodium hydroxide convert haem to pink, feathery pyridine ferroprotoporphyrin (haemochromogen) crystals.
Explained in
- Detection and Identification of Blood Stains in Forensic ScienceConfirmatory crystal test. Glacial acetic acid and sodium chloride convert haem to brown, rhombic haemin (ferriprotoporphyrin chloride) crystals. Older, less r...