UNE - Spanish national standards

Textiles - Quantitative chemical analysis - Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone) (ISO 1833-21:2019)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 22: Mixtures of viscose or certain types of cupro or modal or lyocell with flax fibres (method using formic acid and zinc chloride) (ISO 1833 22:2020)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 24: Mixtures of polyester and certain other fibres (method using phenol and tetrachloroethane) (ISO 1833-24:2010)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 25: Mixtures of polyester with certain other fibres (method using trichloroacetic acid and chloroform) (ISO 1833-25:2020)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 26: Mixtures of melamine with certain other fibres (method using hot formic acid) (ISO 1833-26:2020)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 27: Mixtures of cellulose fibres with certain other fibres (method using aluminium sulfate) (ISO 1833-27:2018)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 28: Mixtures of chitosan with certain other fibres (method using diluted acetic acid) (ISO 1833-28:2019)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 29: Mixtures of polyamide with polypropylene/polyamide bicomponent (method using sulfuric acid) (ISO 1833-29:2020)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 3: Mixtures of acetate with certain other fibres (method using acetone) (ISO 1833-3:2020)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite) (ISO 1833-4:2023)

Available languages: English, Spanish

Available design: electronic design (pdf), Print design