How To Use naphthol In A Sentence
- Hantaviral antigens were then detected by using a naphthol / fast red substrate.
- In addition to phenolic mono - and disulphonic acids (and higher sulphonation compounds), the homologues, cresols, xylenols, and naphthols enter into reaction. Synthetic Tannins
- Th. Zincke found that the products obtained by coupling a diazonium salt with [alpha] - naphthol, and by condensing phenyl-hydrazine with Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"
- Of the "acid blacks and violets," a few colors are of medium fastness, both on wool and silk, e.g., naphthol black, naphthylamine, black, resorcinol brown, fast brown, etc. Scientific American Supplement, No. 810, July 11, 1891
- Sometimes two developers are mixed together, in which case care should be taken that an alkaline developer naphthol or phenol be not mixed with an acid developer (phenylene diamine, naphthylamine, etc.), unless the acidity of the latter has been neutralised with soda; otherwise the developer might be thrown out of the bath in an insoluble and hence useless form. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student
- Certain molecules such as 1-naphthol, its derivatives, and carbazole show remarkable enhancement in their acidity in the excited singlet state.
- Some of the dyes to which chromophores give a vibrant color are naphthol yellow, vat blue, congo red, and methylene blue.
- In the naphthalene series, on the other hand, the ring closes up by, for instance, the condensation of [Greek: b] - naphthol with benzaldehyde or paraldehyde, and yields the following compounds: -- Synthetic Tannins
- Soluble and insoluble proteins were stained specifically in blue with naphthol blue-black and polysaccharides were stained in red with periodic acid.
- Finally, it is mixed with naphthol to produce carbaryl.