SIST EN ISO 9455-1:2023
(Main)Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter, gravimetric method (ISO 9455-1:2022)
Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter, gravimetric method (ISO 9455-1:2022)
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.
Flussmittel zum Weichlöten - Prüfverfahren - Teil 1: Bestimmung nichtflüchtiger Stoffe, gravimetrische Methode (ISO 9455-1:2022)
Dieses Dokument legt ein gravimetrisches Verfahren zur Bestimmung des Gehaltes von nichtflüchtigen Stoffen in Weichlotflussmitteln fest. Es ist anwendbar für flüssige und pastöse Flussmittel des Typs 1 nach ISO 9454 1.
Flux de brasage tendre - Méthodes d'essai - Partie 1: Dosage des matières non volatiles par gravimétrie (ISO 9455-1:2022)
Le présent document spécifie une méthode gravimétrique pour le dosage de la teneur en matières non volatiles dans les flux de brasage tendre. Il s’applique aux flux liquides et pâteux de type 1, comme défini dans l’ISO 9454-1.
Talila za mehko spajkanje - Preskusne metode - 1. del: Določevanje nehlapnih snovi, gravimetrijska metoda (ISO 9455-1:2022)
Standard določa gravimetrijsko metodo za določevanje vsebnosti nehlapnih snovi v talilih za mehko spajkanje. Uporablja se za tekoča talila in talila v obliki paste tipa 1, kot je opredeljeno v standardu ISO 9454-1.
General Information
Relations
Overview
EN ISO 9455-1:2022 - Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter, gravimetric method - specifies a standardized gravimetric test to measure the content of non‑volatile matter in soft soldering fluxes. Adopted by CEN (as EN ISO 9455-1:2022) and applicable to liquid and paste fluxes of type 1 (see ISO 9454-1), the method gives a repeatable laboratory procedure for quality control, specification compliance and procurement.
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.
Frequently Asked Questions
SIST EN ISO 9455-1:2023 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter, gravimetric method (ISO 9455-1:2022)". This standard covers: 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.
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.
SIST EN ISO 9455-1:2023 is classified under the following ICS (International Classification for Standards) categories: 25.160.50 - Brazing and soldering. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN ISO 9455-1:2023 has the following relationships with other standards: It is inter standard links to SIST EN 29455-1:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase SIST EN ISO 9455-1:2023 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2023
Nadomešča:
SIST EN 29455-1:1998
Talila za mehko spajkanje - Preskusne metode - 1. del: Določevanje nehlapnih
snovi, gravimetrijska metoda (ISO 9455-1:2022)
Soft soldering fluxes - Test methods - Part 1: Determination of non-volatile matter,
gravimetric method (ISO 9455-1:2022)
Flussmittel zum Weichlöten - Prüfverfahren - Teil 1: Bestimmung nichtflüchtiger Stoffe,
gravimetrische Methode (ISO 9455-1:2022)
Flux de brasage tendre - Méthodes d'essai - Partie 1: Dosage des matières non volatiles
par gravimétrie (ISO 9455-1:2022)
Ta slovenski standard je istoveten z: EN ISO 9455-1:2022
ICS:
25.160.50 Trdo in mehko lotanje Brazing and soldering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 9455-1
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 25.160.50 Supersedes EN 29455-1:1993
English Version
Soft soldering fluxes - Test methods - Part 1:
Determination of non-volatile matter, gravimetric method
(ISO 9455-1:2022)
Flux de brasage tendre - Méthodes d'essai - Partie 1: Flussmittel zum Weichlöten - Prüfverfahren - Teil 1:
Dosage des matières non volatiles par gravimétrie (ISO Bestimmung nichtflüchtiger Stoffe, gravimetrische
9455-1:2022) Methode (ISO 9455-1:2022)
This European Standard was approved by CEN on 29 November 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9455-1:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 9455-1:2022) has been prepared by Technical Committee ISO/TC 44 "Welding
and allied processes" in collaboration with Technical Committee CEN/TC 121 “Welding and allied
processes” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2023, and conflicting national standards shall be
withdrawn at the latest by June 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 29455-1:1993.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 9455-1:2022 has been approved by CEN as EN ISO 9455-1:2022 without any
modification.
INTERNATIONAL ISO
STANDARD 9455-1
Second edition
2022-12
Soft soldering fluxes — Test
methods —
Part 1:
Determination of non-volatile matter,
gravimetric method
Flux de brasage tendre — Méthodes d'essai —
Partie 1: Dosage des matières non volatiles par gravimétrie
Reference number
ISO 9455-1:2022(E)
ISO 9455-1:2022(E)
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii
ISO 9455-1:2022(E)
Contents Page
Foreword .iv
1 S c op e . 1
2 N ormative references . 1
3 T erms and definitions . 1
4 P r i nc iple . 1
5 A pparatus . 1
6 P rocedure .1
7 E xpression of results . 2
8 P r e c i s ion . 2
9 T est report .
...
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