Fast Sulphon Black F
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| Fast Sulphon Black F | |
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(1-hydroxy-8-(2-hydroxy-1-naphthylazo)-2-(4-sulfo-1-naphthylazo)-naphthalene-3,6-disulfonic acid |
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Other names
Fast Sulphon Black |
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| Identifiers | |
| CAS number | 3682-47-1 |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | C30H20N4O11S3 |
| Molar mass | 708.695 |
 (verify) (what is:  / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Fast Sulphon Black F is a complexometric indicator used with EDTA, almost exclusively used in copper complexation determination.
[edit] Application
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.
[edit] References
- ^ Trimukhe, K.D. and 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. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TFD-4NRT3C5-4&_user=126524&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=942113006&_rerunOrigin=google&_acct=C000010360&_version=1&_urlVersion=0&_userid=126524&md5=4791aeb94cb4603587e0f71625d26c56.
- Handbook of copper compounds and applications by H. Wayne Richardson (1997) (ISBN 0-82-478998-9)
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