Complex or Metal Indicators


Complex or Metal IndicatorsMilliporeSigma offers a comprehensive portfolio of complex or metal indicators suitable for a wide range of applications, e.g. for photometry and volumetry / complexometry. Metal indicators are mostly used in the volumetric or photometric analytical determination of the concentration of metal ions, above all in complexometric titrations. One common complexometric application is the determination of water hardness.

You can be confident that MilliporeSigma can provide just the right reagent for your application with respect to all relevant parameters such as selectivity and sensitivity, complex stability (over time and against other reagents, especially the titrant), acid-base characteristics, or color difference between free and complexed forms. Feel free to contact us if you need help in selecting the suitable metal indicator for your application.

Catalog Number Catalog Name
104593 Hydroxynaphthol blue
108430 Indicator buffer tablets
108677 Xylenol orange tetrasodium salt
102315 Calcein indicator
107533 4-(2-Pyridylazo)resorcinol monosodium salt monohydrate
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