UNE-EN ISO 1833-6:2020
Current
The latest, up-to-date edition.
Textiles - Quantitative chemical analysis - Part 6: Mixtures of viscose, certain types of cupro, modal or lyocell with certain other fibres (method using formic acid and zinc chloride) (ISO 1833-6:2018)
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English, Spanish, Castilian
08-01-2020
This part of ISO 1833 specifies a method, using a mixture of formic acid and zinc chloride, to determine
the mass percentage of viscose, certain types of cupro, modal or lyocell, after removal of nonfibrous
matter, in textiles made of mixtures of
viscose, certain types of cupro, modal or lyocell,
with
cotton, polypropylene, elastolefin and melamine.
IMPORTANT If a cupro or modal or lyocell fibre is found to be present, a preliminary test is
carried out to see whether it is soluble in the reagent.
The method is not applicable to mixtures in which the cotton has suffered extensive chemical
degradation, nor when the viscose, cupro, modal or lyocell fibre is rendered incompletely soluble by the
presence of certain permanent finishes or reactive dyes that cannot be removed completely.
| Committee |
CTN 40/SC 6
|
| DocumentType |
Standard
|
| Pages |
11
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| ISO 1833-6:2018 | Identical |
| EN ISO 1833-6:2019 | Identical |
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