Fast Sulphon Black F
From Wikipedia the free encyclopedia
Names | |
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IUPAC name 1-hydroxy-8-(2-hydroxy-1-naphthylazo)-2-(4-sulfo-1-naphthylazo)-naphthalene-3,6-disulfonic acid | |
Other names Fast Sulphon Black | |
Identifiers | |
3D model (JSmol) | |
ECHA InfoCard | 100.020.879 |
EC Number |
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PubChem CID | |
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Properties | |
C30H20N4O11S3 | |
Molar mass | 708.695 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Fast Sulphon Black F is a complexometric indicator used with EDTA, almost exclusively used in copper complexation determination.
Application[edit]
Fast Sulphon Black is purple when complexed with copper, and turns green when titrated against EDTA,[1] as the EDTA displaces it, being the better complexing agent due to the chelate effect.
References[edit]
- ^ Trimukhe, K.D.; Varma, A.J. (2008). "Complexation of heavy metals by crosslinked chitin and its deacetylated derivatives". Carbohydrate Polymers. 71 (1): 66–73. doi:10.1016/j.carbpol.2007.05.016.
- Handbook of copper compounds and applications by H. Wayne Richardson (1997) (ISBN 0-82-478998-9)