Testing of textiles; quantitative analysis of binary mixtures; degummed mulberry silk with wool;formic acid/zinc chloride method Essai des textiles; analyse quantitative des mélangesbinaires;soie du bombyx du m?rier dégommée avec laine; méthode au chlorur
DIN 54209:1975 history
1975DIN 54209:1975 Testing of textiles; quantitative analysis of binary mixtures, degummed mulberry silk with wool, formic acid/zinc chloride method