Textile dyestuffs —— Method for evaluation of strength and shade of naphthol (first revision)

This document provides a method for the assessment of strength and hue of naphthol dyes used in textile applications. It outlines procedures for evaluating the performance characteristics of these dyes, ensuring consistency and reliability in their application. The standard is applicable to various types of naphthol dyes and is intended for use by manufacturers, testing laboratories, and other stakeholders involved in the production and evaluation of textile dyes. Detailed steps for sample preparation, testing conditions, and measurement techniques are included to facilitate accurate and repeatable results. The scope of the standard encompasses the determination of key parameters that influence the quality and performance of naphthol dyes in textile processing. It serves as a reference for ensuring that the dyes meet specified requirements and are suitable for their intended use in the textile industry.