HU-829 is a box of 24 BLUESTAR® OBTI tests.
BLUESTAR® OBTI is a two-part test: a collection tube for the blood sample, and a test bar.
A sample of the presumed human blood trace is transferred into the tube with transport medium.
This mixture is added drop by drop to the test.
A positive sample is typically detected within 2-5 minutes.
A single red line means the testing liquid is working fine but no human blood has been detected, two red/pink lines mean the test has detected human blood.
The test detects whole blood up to a dilution of 1 : 2,000,000. As little as 250 red cells are required for a positive result.
The BLUESTAR® OBTI test, easy to read thanks to its red lines is capable of detecting 0.05 µg/ml hemoglobin.
Qty: 24 BLUESTAR® OBTI tests
Notes:
- All the components of the BLUESTAR® OBTI test have to be stored in a dry place with temperature range comprised between 4°C (40°F) and 30°C (90°F).
- False positive results are possible in some primates.
- Badger blood reacts weakly at concentration of 200 µg/ml. Horse blood reacts at concentrations above 500 µg/ml.
- Therefore a positive result is not in itself an evidence of the presence of human blood, but it indicates a high probability of its presence.