PN BN 6021-01-1963
Colorant semi-finished products. 1-Naphthol

Standard No.
PN BN 6021-01-1963
Release Date
1963
Published By
PL-PKN
Latest
PN BN 6021-01-1963
Scope
The subject of the standard is dis illed alphanaphthol, obtained by saponification of alphanaphthylamine with sulfuric acid. Alfanaphthol is i-hydroxynaphthalene and has:

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