ISO 105-Z08:1995 PDF

Name: ISO 105-Z08:1995 — Textiles — Tests for colour fastness — Part Z08: Determination of solubility and solution stability of reactive dyes in the presence of electrolytes
SKU: ISO 105-Z08:1995
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Textiles — Tests for colour fastness — Part Z08: Determination of solubility and solution stability of reactive dyes in the presence of electrolytes

Название (английский):

ISO 105-Z08:1995

Textiles — Tests for colour fastness — Part Z08: Determination of solubility and solution stability of reactive dyes in the presence of electrolytes

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 5
Дата публикации:: 1 июня 1995 г.
Издание:: ISO IS 105 edition 1 version 1
ICS:: 59.080.01

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Описание (английский):

Describes a method for the determination of the solubility and the solution stability of reactive dyes for use in batchwise and continuous dyeing processes in the presence of electrolytes.

Abstract

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Стандарты, упомянутые в описании

Overview

ISO 105-Z08:1995 is an international standard developed by the International Organization for Standardization (ISO), titled Textiles - Tests for colour fastness - Part Z08: Determination of solubility and solution stability of reactive dyes in the presence of electrolytes. This standard specifies a method for assessing both the solubility and the stability in solution of reactive dyes when electrolytes are present, which is vital for both batchwise and continuous textile dyeing processes. Ensuring that reactive dyes remain soluble and stable, particularly under the influence of electrolytes such as sodium chloride or sodium carbonate, is essential for achieving reliable, high-quality dyeing results and for ensuring colour fastness in finished textile products.

Key Topics

Solubility Testing: Procedures to determine the maximum concentration at which a reactive dye remains dissolved without residue in the presence of specific electrolytes.

Solution Stability: Evaluation of the ability of dye solutions to resist precipitation or instability over time, under standardized storage and filtration conditions.

Electrolyte Effects: Assessment of how various electrolytes, common in dyeing processes (e.g., sodium chloride, sodium carbonate), impact dye solubility and stability.

Standardized Apparatus and Methods: Use of specific laboratory equipment (e.g., wide-mouthed Erlenmeyer flasks, thermostatic baths, Nutsch filters, and graded filter paper) and precise test parameters to ensure reproducibility.

Visual and Measured Assessment: Combination of visual inspection of filter residue and measurement of flow-through time to identify solubility and stability limits.

Applications

ISO 105-Z08:1995 is widely used in:

Textile Dye Manufacturing: Assessing whether reactive dyes are suitable for use with typical electrolytes encountered in industrial dye baths.

Quality Control in Textile Processing: Ensuring that dyes perform consistently in commercial batchwise and continuous processes, minimizing risks of dye precipitation and uneven coloration.

Research and Development: Supporting the formulation of new reactive dyes or process improvements by providing standardized methods to test dye behaviour in the presence of electrolytes.

Process Optimization: Helping dyehouses and textile manufacturers select appropriate dyes and electrolytes to optimize process parameters for best colour fastness and production efficiency.

Compliance and Certification: Providing a recognized, internationally-referenced method for demonstrating compliance with industry standards for colour fastness and product quality.

Related Standards

Several other ISO standards are relevant to textile testing and dye performance:

ISO 105 Series:

Broad set of methods for testing colour fastness of textiles under various conditions (e.g., to washing, rubbing, light).

ISO 1773:

Laboratory glassware - Boiling flasks (narrow-necked); relevant for apparatus specification.

ISO 3696:

Water for analytical laboratory use - Specification and test methods; specifies water quality for testing.

ISO 105-A01:

General guidelines and terminology for colour fastness testing.

Adhering to ISO 105-Z08:1995, along with related standards, helps organizations ensure the reliability and reproducibility of their dye testing and production processes, contributing to higher quality textiles with enduring colour properties. This standard is essential for any laboratory, manufacturer, or textile facility seeking robust, globally recognized protocols for the assessment of reactive dye behaviour in electrolyte-rich dye baths.

ISO 105-Z08:1995 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

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