Download Practical notes TROPICAL HAEMATOLOGY

5. Rinse the pipette by drawing in and blowing out the acid solution.
6. Allow to stand for 1 minute. The mixture will become dark brown and clear.
7. Place the graduated tube in the haemoglobinometer, compare the colour in diffused day
light. Add water drop by drop and mix with the glass stirrer until the colour of the solution
matches the colour of the reference tube.
8. When equal colours are reached, take the glass stirrer out of the graduated tube and read
the level of the base of the menisci of the liquid. Hold the instrument about 50 cm away
from your eyes, on the same height under diffuse light.
9. Note the reached mark that corresponds with the level on the tube.
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