EN ISO 9455-1:2022 PDF

Name: EN ISO 9455-1:2022 — Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter, gravimetric method (ISO 9455-1:2022)
SKU: EN ISO 9455-1:2022
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Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter, gravimetric method (ISO 9455-1:2022)

Название (английский):

EN ISO 9455-1:2022

Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter, gravimetric method (ISO 9455-1:2022)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 14 декабря 2022 г.
Издание:: CEN EN 9455 edition 2 version 1
ICS:: 25.160.50

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Описание (английский):

This document specifies a gravimetric method for the determination of the content of non-volatile matter in soft soldering fluxes. It is applicable to liquid and paste fluxes of type 1, as defined in ISO 9454-1.

Abstract

Overview

Key topics and requirements

Principle: Weigh a prepared flux sample, evaporate volatiles (boiling water bath + oven drying), cool in a desiccator and re-weigh; calculate non‑volatile matter as a percentage of the original sample.
Apparatus: ordinary lab equipment including a thin-section glass Petri dish (≈100 mm), 20–25 ml weighing pipette for liquids, boiling water bath, drying oven maintained at (110 ± 2) °C, and a desiccator with silica gel.
Procedure highlights:
- Perform the test in triplicate.
- Transfer sample to yield 0.5–1.0 g of expected non‑volatile residue; avoid volatile loss during weighing.
- Preliminary heating on a boiling water bath to remove bulk volatiles (can be omitted for low‑volatile samples).
- Dry in oven for 3 h at 110 ± 2 °C, cool in desiccator, and weigh to 0.001 g.
- Formula: Non‑volatile matter (%) = (mass of residue after drying / mass of sample taken) × 100.
Notes on solvent/activator sensitivity:
- The 110 °C drying temperature is intended for solvents like isopropanol; alternative drying conditions can be agreed between purchaser and supplier for higher‑boiling solvents.
- Certain flux classes (e.g., classes 113, 123 with organic‑acid activators; classes 112, 122 with mixed organic/halide activators) may lose some activator content during the test.
Precision: Results from an interlaboratory study (five labs) provide repeatability and reproducibility figures for representative non‑volatile contents (5 %, 15 %, 25 %). Reported reproducibility (R) ranges up to about 1.30 % at 25 % non‑volatile content.
Test report requirements: sample identification; reference to ISO 9455-1:2022; any variations in drying temperature/time; results; unusual observations; optional operations used; test date.

Applications and users

Flux manufacturers - product specification and batch quality control.
Independent test laboratories - certified testing and conformity assessment.
Electronics and metal-joining manufacturers - incoming inspection and process control for soldering operations.
Purchasers and regulators - verifying supplier claims and ensuring material consistency.
R&D and failure analysis teams - characterizing flux composition and behavior under thermal treatment.

Related standards

ISO 9454-1 - Classification and requirements for soft soldering fluxes (used to identify flux type 1).
ISO 5725-1 - Principles and definitions for accuracy (trueness and precision) of measurement methods (used for precision assessment).

Keywords: EN ISO 9455-1:2022, soft soldering fluxes, non-volatile matter, gravimetric method, test method, flux classification, ISO 9454-1, drying oven, precision, test report.

Технические детали

Технический комитет: CEN/TC 121 - Welding
SKU: EN ISO 9455-1:2022

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ISO 9455-1:2022

Действующий

Soft soldering fluxes — Test methods — Part 1: Determination of non-volatile matter, gravimetric method

Overview ISO 9455-1:2022 defines a gravimetric test method for determining the content of non-volatile matter in soft soldering fluxes. This standard applies specifically to liquid and paste fluxes o…

4 · PDF

25 €

SIST EN ISO 9454-1:2016

Действующий

Soft soldering fluxes - Classification and requirements - Part 1: Classification, labelling and packaging (IS…

Overview EN ISO 9454-1:2016 (Soft soldering fluxes - Part 1: Classification, labelling and packaging) defines a standardized coding system and packaging/label requirements for soft soldering fluxes.…

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SIST ISO 5725-1:2024

Действующий

Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definit…

Overview SIST ISO 5725-1:2024, "Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definitions," is published by the International Organization for…

25 · PDF

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EN ISO 9455-1:2022 PDF

Abstract

Overview

Похожие стандарты

Key topics and requirements

Applications and users

Related standards

Технические детали

ISO 9455-1:2022

Soft soldering fluxes — Test methods — Part 1: Determination of non-volatile matter, gravimetric method

SIST EN ISO 9454-1:2016

Soft soldering fluxes - Classification and requirements - Part 1: Classification, labelling and packaging (IS…

SIST ISO 5725-1:2024

Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definit…