Hemoglobin estimation is the measuring of hemoglobin levels that are broken into three categories. Visual methods are Sahil, Dares, Hadens, Wintrobes, Haldanes, Tallquists method. Second to consider are the gasometric method, single to the Van Slyke method. Lastly the spectrophotometric method oxyhemoglo, and the cyanmethemoblobin method.

to convert the Hb to acid-hematin which is a brown coloured complex.

It is a method of hemoglobin estimation in blood. The process involves absorbing a drop of

blood on a standard paper and comparing it with a standard specimen.

If an estimation, or estimate, is a guess, an approximate estimation is a rougher guess.

What is the estimation 328000