Premium
Applications of Spectrophotometric Measurement in Dyeing and Finishing
Author(s) -
BUNKALL P. R.
Publication year - 1965
Publication title -
journal of the society of dyers and colourists
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 0037-9859
DOI - 10.1111/j.1478-4408.1965.tb02659.x
Subject(s) - dyeing , photoelectric effect , reflectivity , reflection (computer programming) , computer science , optics , materials science , physics , composite material , programming language
Presented at a Symposium on 'Modem Methods of Control in Dyeing and Finishing held by the Scottish Region in the Royal College of Science and Technology, Glasgow, on 3rd April 1964, Mr J. Bruce Jones in the chair, and (i n part) at a meeting of the Manchester Junior Section held at the College of Science and Technology, Manchester, on 25th February1965 The important applications of spectrophotonietry dependent upon Beer's Law are discussed and a number of spectrophotometers suitable for the examination of dye solutions are mentioned. Equipment that has been used with recording spectrophotometers for the investigation of dyeing behaviour is described. Whilst reflection or transmission curves from spectrophotometric measurements may be converted to tristimulus values (A, Y, Z) in the CIE system, direct measurements of A, Y, 2 by means of suitable photoelectric colorimeters, a number of which are suggested, may be made. Reference is made to colour‐difference formulae and their applications. An equation, based on the Kubelka‐Munk theory, relating reflectance, at a given wave‐ length to dye concentration on the fibre is stated. Applications, including instrumental colour‐match prediction, are discussed, and a brief survey of instrumental matching methods is presented. Probable future developments in the application of computer