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Description
TCI C0003 Calcein Sodium Salt (mixture of isomers) is a metallofluorescent indicator formulated for the fluorometric determination of calcium. Built on a fluorescein core bearing iminodiacetate chelating groups, it produces a bright green fluorescent complex with Ca²⁺ under alkaline conditions. This behavior gives an exceptionally sharp endpoint in complexometric EDTA titrations, including water hardness testing. Supplied as a readily water-soluble sodium salt in a 5 g pack, it should be protected from light and kept cool and dry.
![5,10-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphtho[1,2-c:5,6-c']bis([1,2,5]oxadiazole) - TCI B5774 - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510B5774.jpg?v=1769180228&width=533)
