ISO 4911:1980
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Textiles Cotton fibres Equipment and artificial lighting for cotton classing rooms
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
02-19-2019
English, French
11-01-1980
Specifies requirements for artificial illumination used for judging the colour of cotton accurately and uniformly. Also describes a method of test for appraising the colour quality of lamps procured for this purpose. Includes requirements for colours to be used on walls and other surfaces in cotton classing rooms, and for maintaining the required level of the performance of lighting system.
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