Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
NORMA vydaná dňa 1.5.1975
Označenie normy: ISO 2913:1975
Dátum vydania normy: 1.5.1975
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: Applicable to all-wool textiles in any form, namely loose fibre, roving, yarn or cloth. Dyes when present may interfere with the colorimetric measurement. The method is not applicable to oxidized or reduced wool. It is primarily applicable to determination of cystine and cysteine in washed wool, tops, yarns or cloths that have not been reduced or oxidized.