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 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

Practically the only phenol that is used is the beta-naphthol; alpha-naphthol is occasionally used, but not often.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

The antiseptic sutures and ligatures should be similarly soaked in beta-naphthol solution during the progress of the operation.    From Wordnik.com.  [Scientific American Supplement, No. 810, July 11, 1891] Reference

The combination when aniline and beta-naphthol are used, as the amine and phenol respectively, is shown in the following equations.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

It is not desirable to use any more caustic soda than is necessary to dissolve the beta-naphthol, so that the bath is not too alkaline.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

Developer A (Bayer) is a mixture of beta-naphthol and caustic soda in the powder form, so that a solution is obtained by simply adding water.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

The most important of the naphthol colours is undoubtedly paranitroaniline red, produced by the combination of paranitroaniline and beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

During the operation the sterilized instruments should be kept in a beta-naphthol solution and returned to it when the operator is not using them.    From Wordnik.com.  [Scientific American Supplement, No. 810, July 11, 1891] Reference

= Alpha-naphthol = has similar properties to, and is used in the same way as, beta-naphthol; it develops much darker and rather duller colours, which are less fast to washing.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

After this they should be immersed for at least fifteen minutes in a solution of beta-naphthol (1: 2,500), which must be sufficiently deep to cover every portion of the instruments.    From Wordnik.com.  [Scientific American Supplement, No. 810, July 11, 1891] Reference

Dr Schupphaus found that propyl and isobutyl alcohols with camphor were active solvents, and the ketones, palmitone, and stearone in alcohol solution, also alpha - and beta-naphthol, with alcohol and anthraquinone.    From Wordnik.com.  [Nitro-Explosives: A Practical Treatise] Reference

It is a white body, insoluble in water, but readily soluble in soda lye, and a solution is easily made by taking 10 lb. beta-naphthol and heating it with 10 lb. caustic soda lye of 70° Tw. and 60 gallons of water.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference

It has been found that by adding a little tartar emetic to the beta-naphthol bath this is largely if not entirely prevented, and the prepared cloth may be kept for a reasonable length of time before proceeding with the development without fear of stains being formed.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] 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

Toluylene diamine and 1/2 lb. beta-naphthol.    From Wordnik.com.  [The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student] Reference