Occult Blood Benzidine Test
Occult Blood Benzidine Test, A sensitive test for the presence of blood (as in urine or feces) based on the production of a blue color upon contact with a solution of benzidine, hydrogen peroxide, and glacial acetic acid.
A Pinch of benzidene Powder + 3ml glacial acetic acid + 3ml H2 Or
- Part 1 1 ml Urine
- Part 2 1 ml DW
- Blood is present,
- second Part: Control tube no change in color
Benzidine test Interpretation:
- Acute glomerulonephritis Trauma to Urinary Treat, Urine Stones.
- Chowly red
- Excretion of free Hb followed by homily Malaria, Severe burns, Hemolytic jaundice, and Enteric fever.
- Clear red.