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- Q642766 subject Q8357629.
- Q642766 abstract "The Schiff test is an early organic chemistry name reaction developed by Hugo Schiff, and is a relatively general chemical test for detection of many organic aldehydes that has also found use in the staining of biological tissues. The Schiff reagent is the reaction product of a dye formulation such as fuchsin and sodium bisulfite; pararosaniline (which lacks an aromatic methyl group) and new fuchsin (which is uniformly mono-methylated ortho to the dye's amine functionalities) are dye alternatives with comparable detection chemistry. In its use as a qualitative test for aldehydes, the unknown sample is added to the decolorized Schiff reagent; when aldehyde is present a characteristic magenta color develops. Schiff-type reagents are used for various biological tissue staining methods, e.g. Feulgen stain and periodic acid-Schiff stain. Human skin also contains aldehyde functional groups in the termini of saccharides and so is stained as well.. IS".
- Q642766 thumbnail Fuchsin.svg?width=300.
- Q642766 wikiPageExternalLink schiffwhatis.htm.
- Q642766 wikiPageWikiLink Q101497.
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- Q642766 wikiPageWikiLink Q473335.
- Q642766 wikiPageWikiLink Q496058.
- Q642766 wikiPageWikiLink Q63766.
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- Q642766 wikiPageWikiLink Q8357629.
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- Q642766 wikiPageWikiLink Q908086.
- Q642766 wikiPageWikiLink Q911365.
- Q642766 wikiPageWikiLink Q994559.
- Q642766 comment "The Schiff test is an early organic chemistry name reaction developed by Hugo Schiff, and is a relatively general chemical test for detection of many organic aldehydes that has also found use in the staining of biological tissues.".
- Q642766 label "Schiff test".
- Q642766 depiction Fuchsin.svg.