EN ISO 7012-2:2025 PDF

Name: EN ISO 7012-2:2025 — Paints and varnishes - Determination of preservatives in water-dilutable coating materials - Part 2: Determination of in-can total formaldehyde (ISO 7012-2:2025)
SKU: EN ISO 7012-2:2025
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Paints and varnishes - Determination of preservatives in water-dilutable coating materials - Part 2: Determination of in-can total formaldehyde (ISO 7012-2:2025)

Название (английский):

EN ISO 7012-2:2025

Paints and varnishes - Determination of preservatives in water-dilutable coating materials - Part 2: Determination of in-can total formaldehyde (ISO 7012-2:2025)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 19
Дата публикации:: 16 апреля 2025 г.
Издание:: CEN EN 7012 edition 1 version 1
ICS:: 87.040

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Описание (английский):

This document specifies the apparatus and the analytical methods for determining the in-can total formaldehyde content in water-dilutable coating materials, where the main sources of formaldehyde are in-can preservatives. This document is also applicable to polymer dispersions.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 7012-2:2025 - Paints and varnishes: Determination of preservatives in water-dilutable coating materials - Part 2 - specifies the apparatus and analytical methods for measuring in-can total formaldehyde in water-dilutable coating materials and polymer dispersions, where in-can preservatives are the main formaldehyde source. The standard is published by CEN/ISO and forms part of the ISO 7012 series for preservative analysis in coatings.

Key topics and requirements

Scope and applicability: Covers water-dilutable coatings and polymer dispersions; targets total formaldehyde (free + bound) present in the container (in-can).

Analytical principles: Describes acidic water–steam distillation and derivatization approaches (including derivatization with chromotropic acid (CHRA)) as core measurement principles.

Methods for free/formaldehyde fractions: Defines methods for in-can free formaldehyde (e.g., photometric acetylacetone procedure, DNPH liquid chromatography, post-column acetylacetone LC) and the procedures to determine total formaldehyde after distillation/derivatization.

Apparatus and reagents: Specifies laboratory equipment, reagent quality (reference to analytical-grade water), and reagents for CHRA derivatization and titration calibration.

Procedure elements: Includes sampling, distillation, derivatization, calibration, analysis, and calculation of in-can total formaldehyde content.

Quality and performance: Provides precision metrics (repeatability limit r and reproducibility limit R), requirements for calibration and titration (Annex A), and reports interlaboratory test results (Annex B).

Reporting: Lists required information for a complete test report, ensuring traceability and comparability of results.

Applications and users

Paint, varnish and polymer dispersion manufacturers - routine quality control of preservative-related formaldehyde content.

Analytical and contract testing laboratories - accredited testing and method implementation.

R&D and formulation teams - assessing preservative behaviour, bound vs free formaldehyde, and shelf-life implications.

Regulatory and compliance professionals - supporting product safety assessments and regulatory submissions.

Preservative suppliers - verifying in-can release profiles and compatibility.

Practical uses:

Product release testing and batch verification.

Shelf-life and stability studies linked to preservative efficacy.

Risk assessment and documentation for safety data sheets and regulatory compliance.

Related standards

ISO 7012 series (other parts covering preservatives and related analyses)

ISO 1513 - Examination and preparation of test samples

ISO 3696 - Water for analytical laboratory use

ISO 15528 - Sampling of paints, varnishes and raw materials

For laboratories and manufacturers working with water-dilutable coatings and polymer dispersions, EN ISO 7012-2:2025 is the reference for robust, standardized measurement of in-can total formaldehyde and supports reliable quality control and regulatory compliance.

EN ISO 7012-2:2025 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and users

Related standards

Технические детали

ISO 7012-2:2025

Paints and varnishes — Determination of preservatives in water-dilutable coating materials — Part 2: Determin…

SIST EN ISO 7012-3:2025

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SIST EN ISO 15138:2018

Petroleum and natural gas industries - Offshore production installations - Heating, ventilation and air-condi…

SIST EN ISO 3696:1998

Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

BS EN ISO 15528:2020

Paints, varnishes and raw materials for paints and varnishes. Sampling.