
Wool — Determination of solubility in alkali
NORMA vydaná dňa 1.12.1975
Designation standards: ISO 3072:1975
Publication date standards: 1.12.1975
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Kategória: Technické normy ISO
Description / Abstract: The solubility of wool in alkali provides a useful index of the extent of change in its chemical properties brought about by certain agencies. Immersion of the wool in sodium hydroxide solution under specified conditions of time, temperature and volume. Determination of the loss in mass as the difference in the mass of the dry sample before and after treatment.