This document specifies a method, using acetone, to determine the mass percentage of acetate, after
removal of non-fibrous matter, in textiles made of mixtures of
— acetate
with
— wool, animal hair, silk, protein, cotton (scoured, kiered, or bleached), flax (or linen), hemp, jute, abaca,
alfa, coir, broom, ramie, sisal, cupro, viscose, modal, polyamide, polyester, polypropylene, acrylic,
elastolefin, elastomultiester, melamine, polypropylene/polyamide bicomponent, polyacrylate and
glass fibres.
It is not applicable to mixtures containing modacrylic fibres, certain chlorofibres, nor to mixtures
containing acetate fibres that have been deacetylated on the surface.

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This document specifies a method using trichloroacetic acid and chloroform to determine the mass
percentage of polyester fibres after removal of non-fibrous matter, in textiles made of mixtures of
— polyester fibres
with
— aramid fibres (except polyamide imide), flame retardant (FR) viscose and polyacrylate.

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EN-ISO 1833-17 specifies a method, using concentrated sulfuric acid, to determinethe mass percentage of chlorofibres and certain other fibres, after removal ofnon-fibrous material, in textiles made of mixtures of - cotton, viscose, cupro,modal, lyocell, acetate, triacetate, polyamide, polyester, elastomultiester,certain acrylic and certain modacrylic fibres with - chlorofibres (based onhomopolymers of vinyl chloride), polypropylene, elastolefin, melamine andpolypropylene/polyamide bicomponent. The modacrylics concerned are those whichgive a clear solution when immersed in concentrated sulfuric acid. This methodcan be used, particularly in place of the methods described in ISO 1833-12 andISO 1833-13, in all cases where a preliminary test shows that the chlorofibresdo not dissolve completely either in dimethylformamide or in the azeotropicmixture of carbon disulfide and acetone.

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This document specifies a method, using carbon disulfide/acetone, to determine the mass percentage of chlorofibre, after removal of non-fibrous matter, in textiles made of mixtures of - certain chlorofibres, with - wool, animal hair, silk, cotton, viscose, cupro, modal, lyocell, polyamide, polyester, elastomultiester, acrylic, melamine, polypropylene, polypropylene/polyamide bicomponent, polyacrylate and glass fibres. It is also possible to analyse mixtures containing chlorofibres by using the test methods described in ISO 1833-17 or ISO 1833-21.

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This document specifies a method, using glacial acetic acid, to determine the mass percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of - acetate with - certain chlorofibres or after-chlorinated chlorofibres. It is also possible to analyse mixtures containing acetate by using the test methods described in ISO 1833-3 or ISO 1833-9.

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This document specifies a method, using benzyl alcohol, to determine the mass percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of - acetate with - triacetate, polypropylene, elastolefin, melamine, polypropylene/polyamide bicomponent and polyacrylate fibres.

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This document specifies a method, using carbon disulfide/acetone, to determine the mass percentage of chlorofibre, after removal of non-fibrous matter, in textiles made of mixtures of
— certain chlorofibres,
with
— wool, animal hair, silk, cotton, viscose, cupro, modal, lyocell, polyamide, polyester, elastomultiester, acrylic, melamine, polypropylene, polypropylene/polyamide bicomponent, polyacrylate and glass fibres.
It is also possible to analyse mixtures containing chlorofibres by using the test methods described in ISO 1833-17 or ISO 1833-21.

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This document specifies a method, using glacial acetic acid, to determine the mass percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of
— acetate
with
— certain chlorofibres or after-chlorinated chlorofibres.
It is also possible to analyse mixtures containing acetate by using the test methods described in ISO 1833-3 or ISO 1833-9.

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This document specifies a method, using benzyl alcohol, to determine the mass percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of
— acetate
with
— triacetate, polypropylene, elastolefin, melamine, polypropylene/polyamide bicomponent and polyacrylate fibres.

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This document specifies a method, using xylene, to determine the mass percentage of polypropylene,
after removal of non-fibrous matter, in textiles made of mixtures of
— polypropylene fibres
with
— wool, animal hair, silk, cotton, viscose, cupro, modal, lyocell, acetate, triacetate, polyamide, polyester,
acrylic, glass fibres, elastomultiester, melamine and polyacrylate.

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This document specifies a method, using dichloromethane, to determine the mass percentage of
triacetate or polylactide, after removal of non-fibrous matter, in textiles made of mixtures of
— triacetate or polylactide
with
— wool or other animal hair, silk, protein, cotton, viscose, cupro, modal,lyocell, polyamide, polyester,
acrylic, elastomultiester, polypropylene, elastolefin, melamine, polypropylene/polyamide
bicomponent,polyacrylate and glass fibres.
Triacetate fibres which have been partially hydrolysed (i.e. saponification) cease to be completely
soluble in the reagent. In such cases, this method is not applicable.

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This document specifies a method, using cyclohexanone, to determine the mass percentage of
chlorofibre, modacrylic, elastane, acetate and triacetate, after removal of non-fibrous matter, in textiles
made of mixtures of
— acetate, triacetate, chlorofibre, certain modacrylics, certain elastanes
with
— wool, animal hair, silk, cotton, cupro, modal, viscose, lyocell, polyamide, acrylic, melamine,
polyacrylate and glass fibres.
It is also possible to analyse mixtures containing chlorofibres by using the test methods described in
ISO 1833-13 or ISO 1833-17.

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This document specifies a method, using dichloromethane, to determine the mass percentage of triacetate or polylactide, after removal of non-fibrous matter, in textiles made of mixtures of
— triacetate or polylactide
with
— wool or other animal hair, silk, protein, cotton, viscose, cupro, modal,lyocell, polyamide, polyester, acrylic, elastomultiester, polypropylene, elastolefin, melamine, polypropylene/polyamide bicomponent,polyacrylate and glass fibres.
Triacetate fibres which have been partially hydrolysed (i.e. saponification) cease to be completely soluble in the reagent. In such cases, this method is not applicable.

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This document specifies a method using dimethylacetamide to determine the mass percentage of
elastane, after removal of non-fibrous matter, in textiles made of mixtures of:
— certain elastane fibres
with
— cotton, viscose, cupro, modal, lyocell, polyamide, polyester or wool fibres.
This method is not applicable when acrylic fibres are present.
It is also possible to analyse mixtures containing certain elastane fibres by using the test methods
described in ISO 1833-12 or ISO 1833-21.

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This document specifies a method for determining the dye uptake of cationic dyeable modified polyester fibres by using cationic dye. It is applicable to cationic dyeable modified polyester fibres, including staple fibres and filament yarns. It is not applicable to polyester partially oriented yarns.

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ISO 20754:2018 specifies methods for the determination of shape factors in the cross-section of man-made fibres.

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This document specifies a method, using hypochlorite, to determine the mass percentage of protein
fibre, after removal of non-fibrous matter, in textiles made of mixtures of certain non-protein fibres and
certain protein fibres, as follows:
— wool, other animal-hair (such as cashmere, mohair), silk, protein,
with
— cotton, cupro, viscose, modal, acrylic, chlorofibres, polyamide, polyester, polypropylene, glass,
elastane, elastomultiester, elastolefin, melamine and polypropylene/polyamide bicomponent.

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This document specifies a method, using sulfuric acid, to determine the mass percentage of cellulose
fibres, after removal of non-fibrous matter, in textiles made of mixtures of
— natural and man-made cellulose fibres, such as cotton, flax, hemp, ramie, viscose, cupro, modal, lyocell
with
— polyester, polypropylene, elastomultiester, elastolefin and polypropylene/polyamide bicomponent.

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This document specifies a method, using formic acid, to determine the mass percentage of polyamide
fibre, after removal of non-fibrous matter, in textiles made of mixtures of
— polyamide
with
— cotton, viscose, cupro, modal, lyocell, polyester, polypropylene, chlorofibre, acrylic, glass fibre,
elastomultiester, elastolefin and melamine, or
— wool (if the wool content is less than or equal to 25 %), or animal hair fibres.
This document does not apply when the wool content exceeds 25 %; ISO 1833-4 applies.

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ISO 1833-7:2017 specifies a method, using formic acid, to determine the mass percentage of polyamide fibre, after removal of non-fibrous matter, in textiles made of mixtures of
- polyamide
with
- cotton, viscose, cupro, modal, lyocell, polyester, polypropylene, chlorofibre, acrylic, glass fibre, elastomultiester, elastolefin and melamine, or
- wool (if the wool content is less than or equal to 25 %), or animal hair fibres.
ISO 1833-7:2017 does not apply when the wool content exceeds 25 %; ISO 1833-4 applies.

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ISO 1833-11:2017 specifies a method, using sulfuric acid, to determine the mass percentage of cellulose fibres, after removal of non-fibrous matter, in textiles made of mixtures of
- natural and man-made cellulose fibres, such as cotton, flax, hemp, ramie, viscose, cupro, modal, lyocell
with
- polyester, polypropylene, elastomultiester, elastolefin and polypropylene/polyamide bicomponent.

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ISO 1833-4:2017 specifies a method, using hypochlorite, to determine the mass percentage of protein fibre, after removal of non-fibrous matter, in textiles made of mixtures of certain non-protein fibres and certain protein fibres, as follows:
- wool, other animal-hair (such as cashmere, mohair), silk, protein,
with
- cotton, cupro, viscose, modal, acrylic, chlorofibres, polyamide, polyester, polypropylene, glass, elastane, elastomultiester, elastolefin, melamine and polypropylene/polyamide bicomponent.

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This International Standard lists the generic names used to designate the different categories of man-made fibres, based on a main polymer, currently manufactured on an industrial scale for textile and other purposes, together with the distinguishing attributes that characterize them. The term “man-made fibres”, sometimes also called manufactured fibres, has been adopted for those fibres obtained by a manufacturing process, as distinct from materials which occur naturally in fibrous form. This International Standard presents the rules for the creation of the generic name.

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ISO 2076:2013 lists the generic names used to designate the different categories of man-made fibres, based on a main polymer, currently manufactured on an industrial scale for textile and other purposes, together with the distinguishing attributes that characterize them. The term "man-made fibres", sometimes also called manufactured fibres, has been adopted for those fibres obtained by a manufacturing process, as distinct from materials which occur naturally in fibrous form.
ISO 2076:2013 presents recommendations of rules for the creation of the generic name.
It also includes the description of the fibre structures in case of fibre made of several components and the description of modified fibres.

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ISO 2076:2013 lists the generic names used to designate the different categories of man-made fibres, based on a main polymer, currently manufactured on an industrial scale for textile and other purposes, together with the distinguishing attributes that characterize them. The term "man-made fibres", sometimes also called manufactured fibres, has been adopted for those fibres obtained by a manufacturing process, as distinct from materials which occur naturally in fibrous form. ISO 2076:2013 presents recommendations of rules for the creation of the generic name. It also includes the description of the fibre structures in case of fibre made of several components and the description of modified fibres.

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This part of ISO 1833 specifies a method, using acetone, to determine the percentage of acetate, after removal of non-fibrous matter, in textiles made of binary mixtures of - acetate and - triacetate fibres.

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Describes methods of quantitative analysis of polyester and certain other fibres (method using phenol and tetrachloroethane)

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ISO 1833-24:2010 specifies a method using phenol and tetrachloroethane to determine the percentage of polyester after removal of non-fibrous matter, in textiles made of binary mixtures of certain polyester fibres with acrylic, polypropylene or aramid fibres.
This method is not applicable to coated fabrics.

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ISO 1833-8:2006 specifies a method, using acetone, to determine the percentage of acetate, after removal of non-fibrous matter, in textiles made of binary mixtures of acetate and triacetate fibres.

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This draft European Standard specifies a method for the determination of tensile properties of monofilaments and specifies test requirements in addition where needed.

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This European Standard specifies three methods for the determination of shrinkage:
-   Determination of shrinkage in hot air under tension;
-   Determination of shrinkage in hot air without tension;
-   Determination of shrinkage in hot water without tension.

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This European Standard specifies three methods for the determination of shrinkage:
-   Determination of shrinkage in hot air under tension;
-   Determination of shrinkage in hot air without tension;
-   Determination of shrinkage in hot water without tension.

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This draft European Standard specifies a method for the determination of linear density of monofilaments and gives the method of calculation of the nominal linear density of round monofilaments.

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This draft European Standard specifies a method for the determination of linear density of monofilaments and gives the method of calculation of the nominal linear density of round monofilaments.

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This document specifies a method, using acetone, to determine the mass percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of
— acetate with
— wool, animal hair, silk, regenerated protein, cotton (scoured, kiered, or bleached), flax (or linen), hemp, jute, abaca, alfa, coir, broom, ramie, cupro, viscose, modal, polyamide, polyester, acrylic, elastolefin, elastomultiester, melamine, polypropylene/polyamide bicomponent, polyacrylate and glass fibres.
It is not applicable to mixtures containing modacrylic fibres, nor to mixtures containing acetate fibres that have been deacetylated on the surface.

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This document specifies a method, using dimethylformamide, to determine the mass percentage of
acrylic, modacrylic, chlorofibre or elastane, after removal of non-fibrous matter, in textiles made of
mixtures of
— acrylic, certain modacrylics, certain chlorofibres, certain elastane fibres
with
— wool, animal hair, silk, cotton, viscose, cupro, modal, lyocell, polyamide, polyester, elastomultiester,
elastolefin, melamine, polyacrylate or glass fibres.
It is not applicable to animal hair, wool and silk dyed with chromium based mordant dyes.
NOTE Dyestuff identification is described in ISO 16373-1[3].

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This part of ISO 1833 specifies a method using trichloroacetic acid and chloroform to determine the percentage of polyester fibres after removal of non-fibrous matter, in textiles made of binary mixtures of polyester fibres with other fibres, except one type of aramid (polyamide imide), polyamide, chlorofibre and modacrylic.

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This part of ISO 1833 specifies a method, using sulfuric acid, to determine the percentage of chlorofibres, after removal of non-fibrous material, in textiles made of binary mixtures of - chlorofibres based on homopolymers of vinyl chloride (after-chlorinated or not) and - cotton, viscose, cupro, modal, acetate, triacetate, polyamide, polyester, certain acrylic and certain modacrylic fibres. [The modacrylics concerned are those which give a limpid solution when immersed in concentrated sulfuric acid (ρ = 1,84 g/ml).] This method can be used, particularly in place of the methods described in ISO 1833-12 and ISO 1833-13, in all cases where a preliminary test shows that the chlorofibres do not dissolve completely either in dimethylformamide or in the azeotropic mixture of carbon disulfide and acetone.

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ISO 1833-17:2006 specifies a method, using sulfuric acid, to determine the percentage of chlorofibres, after removal of non-fibrous material, in textiles made of binary mixtures of chlorofibres based on homopolymers of vinyl chloride (after-chlorinated or not) and cotton, viscose, cupro, modal, acetate, triacetate, polyamide, polyester, certain acrylic and certain modacrylic fibres. [The modacrylics concerned are those which give a limpid solution when immersed in concentrated sulfuric acid (density 1,84 g/ml).]
This method can be used, particularly in place of the methods described in ISO 1833-12 and ISO 1833-13, in all cases where a preliminary test shows that the chlorofibres do not dissolve completely either in dimethylformamide or in the azeotropic mixture of carbon disulfide and acetone.

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This part of ISO 1833 specifies a method, using benzyl alcohol, to determine the percentage of acetate, after removal of non-fibrous matter, in textiles made of binary mixtures of - acetate and - triacetate fibres.

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This part of ISO 1833 specifies a method, using carbon disulfide/acetone, to determine the percentage of chlorofibre, after removal of non-fibrous matter, in textiles made of mixtures of - certain chlorofibres, whether after-chlorinated or not, and - wool, animal hair, silk, cotton, viscose, cupro, modal, polyamide, polyester, acrylic and glass fibres. When the wool or silk content of a mixture exceeds 25 %, the method described in ISO 1833-4 should be used. When the polyamide content of a mixture exceeds 25 %, the method described in ISO 1833-7 should be used.

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This part of ISO 1833 specifies a method, using acetic acid, to determine the percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of - acetate and - certain chlorofibres or after-chlorinated chlorofibres.

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ISO 1833-13:2006 specifies a method, using carbon disulfide/acetone, to determine the percentage of chlorofibre, after removal of non-fibrous matter, in textiles made of mixtures of certain chlorofibres, whether after-chlorinated or not, and wool, animal hair, silk, cotton, viscose, cupro, modal, polyamide, polyester, acrylic and glass fibres.
When the wool or silk content of a mixture exceeds 25 %, the method described in ISO 1833-4 should be used.
When the polyamide content of a mixture exceeds 25 %, the method described in ISO 1833-7 should be used.

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ISO 1833-14:2006 specifies a method, using acetic acid, to determine the percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of acetate and certain chlorofibres or after-chlorinated chlorofibres.

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ISO 1833-9:2006 specifies a method, using benzyl alcohol, to determine the percentage of acetate, after removal of non-fibrous matter, in textiles made of binary mixtures of acetate and triacetate fibres.

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This part of ISO 1833 specifies a method, using xylene, to determine the percentage of polypropylene, after removal of non-fibrous matter, in textiles made of binary mixtures of - polypropylene fibres and - wool, animal hair, silk, cotton, viscose, cupro, modal, acetate, triacetate, polyamide, polyester, acrylic and glass fibres.

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This part of ISO 1833 specifies a method, using dimethylformamide, to determine the percentage of acrylic, modacrylic, chlorofibre or elastane, after removal of non-fibrous matter, in textiles made of binary mixtures of - acrylic, certain modacrylics, certain chlorofibres, certain elastanes and - animal fibres, cotton (scoured, kiered or bleached), viscose, cupro, modal, polyamide, polyester or glass fibres. It is applicable to animal hair, wool and silk dyed with pre-metallized dyes, but not to those dyed with after-chrome dyes.

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