Triphenylmethane dye-type indicators are a class of organic color-change reagents based on triarylmethane or related lactone/quinoid structures. They are widely used in acid-base titration, non-aqueous titration, complexometric titration, protein assays, histological staining, microbiological ...
Reagents whose names contain “purple” are primarily used for stain-based readouts. Typical use cases include microbial smear typing, cytological/histological morphological comparison, relative assessment of adherent biomass/biofilm burden. These workflows are highly sensitive to process ...
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