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ISO 1833-18:2006 specifies a method, using sulfuric acid, to determine the percentage of silk, after removal of non-fibrous matter, in textiles made of binary mixtures of silk and wool or animal hair.
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ISO 1833:1977
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ISO 1833-18:2006
95.99
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12. 4. 2019.
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ISO 1833-18:2019
Tekstil — Kvantitativna hemijska analiza — Deo 18: Mešavina svile i vune ili dlake (metoda sa sumpornom kiselinom)
95.99 Povučen