Polio was nearly eradicated when society decided to mass produce and use a vaccine created by Jonas Salk. Polio was a big issue but they managed to cure it with a vaccine. Comments.
In this method, ferri-. cyanide and potassium cyanide convert hemoglobin to a more stable. cyanmethemoglobin form that is measured photometrically. While this. method is straightforward and uses a single reaction solution, not all. forms of hemoglobin are converted to cyanmethemoglobin at the same.
The hemoglobin test may be ordered during a general health examination or when a person has signs and symptoms of a condition affecting red blood cells such as anemia or polycythemia. Some signs and symptoms of anemia include: 1  Weakness or fatigue. hemoglobin test may be used to: 1  Screen for, diagnose, and measure the severity of anemia (low RBCs, hemoglobin and hematocrit) or polycythemia (high RBCs, hemoglobin and hematocrit).