ISO 105-N03:1993 PDF

Name: ISO 105-N03:1993 — Textiles — Tests for colour fastness — Part N03: Colour fastness to bleaching: Sodium chlorite (mild)
SKU: ISO 105-N03:1993
Price: 25 EUR
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Textiles — Tests for colour fastness — Part N03: Colour fastness to bleaching: Sodium chlorite (mild)

Название (английский):

ISO 105-N03:1993

Textiles — Tests for colour fastness — Part N03: Colour fastness to bleaching: Sodium chlorite (mild)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 2
Дата публикации:: 30 сентября 1993 г.
Издание:: ISO IS 105 edition 2 version 1
ICS:: 59.080.01

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Описание (английский):

Specifies a method for determining the resistance of the colour of textiles composed of natural and regenerated cellulose to the action of mild bleaching with sodium chlorite as ordinarily employed in textile processing. A specimen in contact with one or two specified adjacent fabrics is treated in a sodium chlorite solution, rinsed and dried. The change in colour of the specimen and the staining of the adjacent fabric(s) are assessed with the grey scale.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 105-N03:1993 - Textiles: Tests for colour fastness - Part N03: Colour fastness to bleaching: Sodium chlorite (mild) specifies a laboratory method to determine how resistant textile colours are to mild bleaching with sodium chlorite as used in textile processing. The method is intended primarily for textiles of natural and regenerated cellulose (and related fibre types referenced in the document). The test exposes a specimen in contact with one or two specified adjacent fabrics to a controlled sodium chlorite bath, then assesses colour change and staining using the grey scale.

Key topics and technical requirements

Test solution: Sodium chlorite solution nominally about 1 g/L, adjusted to pH 3.5 immediately before use; concentration is verified by titration (thiosulfate).

Apparatus: Glass vessel with a reflux condenser or equivalent to minimise evaporation and maintain bath composition.

Specimen assembly: The specimen is mounted in contact with either a multifibre adjacent fabric or two monofibre adjacent fabrics (dimensions typically 40 mm × 100 mm) as specified.

Conditions:

Bath temperature: 80 °C ± 2 °C
Time: 1 hour
Bath ratio: 50:1

Post-treatment: Rinse (10 minutes under cold running water), open the composite specimen (unsew three sides), and dry suspended at temperatures not exceeding 60 °C.

Assessment:

Evaluate colour change of the specimen and staining (crocking / transfer) onto adjacent fabrics using ISO grey scales (ISO 105‑A02 and ISO 105‑A03).

Reporting requirements: Include standard reference (ISO 105‑N03:1993), sample identification, colour change grade, staining grades per adjacent fibre type, and details of test conditions and adjacent fabrics used.

Applications and users

This standard is used for:

Quality control and incoming inspection in textile manufacturing and dye houses

Process development and optimisation where mild bleaching (sodium chlorite) is applied

Supplier verification, product specification and compliance testing for garments and home textiles

Laboratory testing services, certification bodies, and R&D teams assessing colour fastness and chemical process effects

Keywords: ISO 105-N03:1993, colour fastness, sodium chlorite, mild bleaching, textiles, grey scale, multifibre, monofibre, cellulose.

Related standards

ISO 105-A01 (general principles)

ISO 105-A02 (grey scale for degradations)

ISO 105-A03 (grey scale for staining)

ISO 105-F / ISO 105-F10 (adjacent test fabrics, multifibre specifications)

This concise guide helps technicians and procurement teams understand when and how to use ISO 105‑N03 to assess textile colour stability under mild sodium chlorite bleaching.

ISO 105-N03:1993 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

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