Baƙin shuɗi mai duhu R CAS:2538-85-4

Eriochrome Blue Black R wani sinadari ne da ake amfani da shi a matsayin ma'auni a cikin titrations masu rikitarwa. Yana da launin shuɗi zuwa baƙi kuma yana canza launi dangane da pH na maganin. A cikin siffar acidic ɗinsa, yana bayyana shuɗi, yayin da a cikin siffar alkaline, yana juyawa zuwa shunayya ko ruwan hoda. Wannan canjin launi yana sa ya zama da amfani don tantance ƙarshen titrations da suka shafi ions na ƙarfe, musamman tantance taurin ruwa. Ana kuma amfani da Eriochrome Blue Black R wajen nazarin samfuran ƙasa da ruwa don abubuwan da ke cikin ƙarfe.

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