A sensitive method for measuring haemoglobin in gastric contents.
A sensitive method for measuring haemoglobin in gastric contents using the rate of change of optical density of a mixture of orthotolidine and hydrogen peroxide in the presence of haemoglobin, is described. The method can measure the blood normally lost in 10 min from the gastric mucosa.
D001560:Benzidines; D005750:Gastric Juice / Q000032:analysis*; D006471:Gastrointestinal Hemorrhage; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D006861:Hydrogen Peroxide; D006863:Hydrogen-Ion Concentration; D008722:Methods; D013696:Temperature
D001560:Benzidines; D006454:Hemoglobins; D006861:Hydrogen Peroxide