SIST EN ISO 787-10:1997 PDF

General methods of test for pigments and extenders - Part 10: Determination of density - Pycnometer method (ISO 787-10:1993)

Название (английский):

SIST EN ISO 787-10:1997

General methods of test for pigments and extenders - Part 10: Determination of density - Pycnometer method (ISO 787-10:1993)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 1 декабря 1997 г.
ICS:: 87.060.10
Технический комитет:: PIP - Pigments and extenders

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Описание (английский):

Describes common sampling method, expression of results and test report for two methods of density determination using a pyknometer (method A and B) as well as their apparatus and procedure in detail.

Технические детали

SKU: SIST EN ISO 787-10:1997

Abstract

Overview

SIST EN ISO 787-10:1997 defines standardized pycnometer methods for determining the density of pigments and extenders. The part describes two pycnometer-based procedures (Method A and Method B), common sampling and result expression, plus required apparatus and step-by-step procedure. The standard supports reliable, reproducible density data for quality control, formulation and material specification.

Key Topics

Scope and purpose: Density determination of pigment and extender samples using a pycnometer; includes sampling, drying and reporting requirements.
Methods A and B: Both methods use the same general principle but differ in apparatus and handling. Method B is noted as more convenient for lower-density pigments.
Displacement liquid: Select a liquid in which the material is insoluble, with good wetting and low evaporation (high-boiling aliphatic hydrocarbon or water with wetting agent are typical). Special care is required for carbon black.
Sampling and sample preparation: Take a representative sample per ISO 842. Sieve and dry samples (the standard gives drying at 105 ± 2 °C for 2 h where applicable) and cool in a desiccator before testing.
Apparatus: Typical equipment includes a 25 ml or 50 ml Gay-Lussac type pycnometer, vacuum apparatus (capable of

Overview

Key Topics

Scope and purpose: Density determination of pigment and extender samples using a pycnometer; includes sampling, drying and reporting requirements.
Methods A and B: Both methods use the same general principle but differ in apparatus and handling. Method B is noted as more convenient for lower-density pigments.
Displacement liquid: Select a liquid in which the material is insoluble, with good wetting and low evaporation (high-boiling aliphatic hydrocarbon or water with wetting agent are typical). Special care is required for carbon black.
Sampling and sample preparation: Take a representative sample per ISO 842. Sieve and dry samples (the standard gives drying at 105 ± 2 °C for 2 h where applicable) and cool in a desiccator before testing.
Apparatus: Typical equipment includes a 25 ml or 50 ml Gay-Lussac type pycnometer, vacuum apparatus (capable of

SIST EN ISO 787-10:1997 PDF

Технические детали

Abstract

Overview

Key Topics

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Abstract

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