ISO 14703:2008

Name: ISO 14703:2008 — Fine ceramics (advanced ceramics, advanced technical ceramics) — Sample preparation for the determination of particle size distribution of ceramic powders
SKU: ISO 14703:2008
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Fine ceramics (advanced ceramics, advanced technical ceramics) — Sample preparation for the determination of particle size distribution of ceramic powders

Название (английский):

ISO 14703:2008

Fine ceramics (advanced ceramics, advanced technical ceramics) — Sample preparation for the determination of particle size distribution of ceramic powders

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 5
Дата публикации:: 1 апреля 2008 г.
Издание:: ISO IS 14703 edition 2 version 1
ICS:: 81.060.30

Тип поставки:

Full version9 000 ₽Read online 24h1 200 ₽Read online 72h1 800 ₽

Язык документа:

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Срок поставки:1 раб. дн. (перевод)

Цена:9 000 ₽

Описание (английский):

ISO 14703:2008 specifies a general wet-sample preparation technique common to the size analysis of powdered fine ceramic materials. The analyzed size distribution of fine particles is strongly dependent on the sample preparation.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 14703:2008 is an international standard developed by the International Organization for Standardization (ISO) that provides a general wet-sample preparation technique for the determination of particle size distribution in ceramic powders. This standard specifically addresses fine ceramics or advanced technical ceramics and focuses on how the preparation of samples significantly influences the accuracy and reproducibility of particle size analysis. Proper sample preparation is essential for ensuring reliable dimension analysis of fine ceramic powders, which are critical materials in industries such as electronics, aerospace, and biomedical engineering.

Key Topics

Scope and Purpose: Defines a common technique for preparing aqueous samples to analyze size distribution of fine ceramic particle powders.

Sample Preparation Steps:

Disagglomeration: Breaking down clumps to separate primary particles.
Suspension: Diluting powders in appropriate dispersion mediums.
Dispersion: Using ultrasonic agitation to achieve even particle distribution.
Sample Treatment: Maintaining suspension characteristics for measurement.

Dispersion Media:

Sodium hexametaphosphate (Na-HMP) aqueous solutions for insoluble powders.
Analytical grade ethanol for water-soluble or reactive powders.
Other specially selected dispersants that avoid particle dissolution or aggregation.

Evaluation of Dispersion Quality:

Zeta potential measurements to ensure stability (preferably > 60 mV).
Observation of sedimentation behavior and sediment density.

Sample Agitation Techniques:

Ultrasonic baths or homogenizers to promote effective dispersion without contamination.

Documentation:

Meticulous recording of preparation conditions for reproducibility and traceability.

Applications

ISO 14703:2008 is vital for industries and laboratories involved in the production and quality control of advanced ceramic powders. Accurate particle size distribution analysis impacts:

Material performance: Particle size affects sintering behavior, mechanical strength, and thermal properties of ceramics.

Process optimization: Ensures consistent quality in powder manufacturing and mixing processes.

Research and development: Supports innovation in fine ceramics, including electronic substrates, sensors, and biomedical implants.

Quality Assurance: Provides standardized sample preparation methods to achieve reproducible and comparable results across different facilities and geographical locations.

This standard is especially useful for:

Ceramic materials manufacturers.

Analytical laboratories performing granulometric assessments.

Researchers developing new fine ceramic materials and composites.

Related Standards

ISO 3696:1987 – Specifies the quality of water used for laboratory analysis, ensuring that dispersants meet analytical grade requirements.

ISO 8213:1986 – Covers sampling techniques for solid chemical products, relevant for obtaining representative ceramic powder samples before preparation.

Other ISO standards on particle size measurement techniques, such as laser diffraction or sedimentation analyses, complement ISO 14703 by focusing on measurement rather than sample preparation.

By adhering to ISO 14703:2008, users ensure standardized and reproducible particle size distribution measurements that are crucial for maintaining the high quality and performance of advanced ceramic materials. Proper sample preparation as defined by this standard enables reliable interpretation and comparison of fine ceramic powder characteristics worldwide.

ISO 14703:2008

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

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