What is the composition of Bratton Marshall reagent?

Answer 1

N-[1-Naphthylyl]ethylenediaminedihydrochloride. 0.05%w/v

Ammonium sulphamate 0.5%w/v

Sodium Nitrite 0.5%w/v

Hydrochloric Acid 1.5 M

Answer 2

The Bratton Marshall reagent is typically composed of two main components: 1-naphthol and sulfanilamide. These two compounds react with the target analyte, typically nitrites or nitrates, to form a deep red dye. The intensity of the color produced is proportional to the concentration of the analyte in the sample.