They are also called naphthol colours from the use of beta-and alpha-naphthol in their production.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

With beta-naphthol, gives With alpha-naphthol, gives.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Glauber's salt, then diazotise and develop with beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Various additions have been made from time to time to the naphthol bath.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

When this compound is combined with naphthol diazo-azo dyes are produced.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Primuline and 20 lb. salt, then diazotise and develop with alpha-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Various preparations of beta-naphthol have been brought out by colour makers.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Rather more (about 1-1/2 per cent.) of this is required than of beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

They may even be diazotised and developed with beta-naphthol and phenylene diamine.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

The purer the beta-naphthol the better, especially for producing the paranitroaniline red.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Primuline and 20 lb. salt, at the boil for one hour, diazotise and develop with beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Sponges should be kept in a beta-naphthol or a corrosive sublimate solution during the operation.    From Wordnik.com.  [Scientific American Supplement, No. 810, July 11, 1891] Reference

Rub the alkali and the naphthol with a little water in a mortar and add the remainder of the water.    From Wordnik.com.  [Photographic Reproduction Processes] Reference

20 lb. salt, then diazotise and develop with beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

10 lb. Glauber's salt, then diazotised and develop with beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Caustic soda, Benzene - azo-naphthol, Water.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Or, with naphthylamine and naphthol, thus.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Beta-naphthol 4 parts.    From Wordnik.com.  [Photographic Reproduction Processes] Reference

naphthol.    From Wordnik.com.  [Synthetic Tannins] Reference

= Beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Alpha-naphthol Crimson.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Naphthalene azo-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Molecule of naphthol 144 ".    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Alpha-naphthol, 130, 132, 133, 186, 187, 188.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Beta-naphthol, 130, 131, 132, 184, 186, 187, 188, 189, 191, 196, 235.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Among these are thymol, naphthol, oil of eucalyptus, carbolates, and salicylates.    From Wordnik.com.  [Scientific American Supplement, No. 561, October 2, 1886] Reference