bismarck brown การใช้

• To improve the contrast, he decide to add Bismarck Brown, after which the oblong structures were rendered bright and transparent.
• It is a critical component of Papanicolaou stains together with eosin Y and bismarck brown Y . It usually comes as a disodium salt.
• The EA stain contains two mutually incompatible chemicals, Bismarck brown and phosphotungstic acid, which precipitate each other, impairing the useful life of the mixture and compromising the differential staining of eosin and light green.