EN 12441-5:2003

Zinc and zinc alloys - Chemical analysis - Part 5: Determination of iron in primary zinc - Spectrophotometric method

This European standard specifies an analytical method for the determining of iron in zinc and zinc alloys by spectrophotometry. It is applicable to the product specified in prEN 1179. It is suitable for the determination of iron contents between 0,001 and 0,1 %.

Zink und Zinklegierungen - Chemische Analyse - Teil 5: Bestimmung von Eisen in Primärzink - Spektrophotometrisches Verfahren

Diese Europäische Norm legt ein spektrophotometrisches Analyseverfahren zur Bestimmung von Eisen in Zink und Zinklegierungen fest. Das Verfahren ist auf die in prEN 1779 festgelegten Produkte anwendbar. Es ist für die Bestimmung eines Eisengehaltes zwischen 0,001 % und 0,1 % geeignet.

Zinc et alliages de zinc - Analyse chimique - Partie 5: Dosage du fer dans le zinc primaire - Méthode spectrophotométrique

La présente Norme européenne spécifie une méthode spectrophotométrique pour le dosage du fer dans le zinc primaire. Elle s'applique aux produits spécifiés dans l'EN 1779.
Cette méthode convient pour la détermination des teneurs (fractions massiques) du fer comprises entre 0,001 % et 0,1 %.

Cink in cinkove zlitine – Kemična analiza – 5. del: Določevanje železa v primarnem cinku – Spektrofotometrijska metoda

General Information

• Status: Published
• Publication Date: 11-Mar-2003
• ICS: 77.040.30 - Chemical analysis of metals
• ICS: 77.120.60 - Lead, zinc, tin and their alloys
• Technical Committee: CEN/TC 209 - Zinc and zinc alloys
• Drafting Committee: CEN/TC 209/WG 6 - Methods of analysis and testing
• Current Stage: 9060 - Closure of 2 Year Review Enquiry - Review Enquiry
• Start Date: 02-Dec-2024
• Completion Date: 02-Dec-2024
• Ref Project: SIST EN 12441-5:2004 - Zinc and zinc alloys - Chemical analysis - Part 5: Determination of iron in primary zinc - Spectrophotometric method

Relations

• Refers: EN 1179:2003 - Zinc an zinc alloys - Primary zinc
• Effective Date: 28-Jan-2026
• Refers: EN 12060:1997 - Zinc and zinc alloys - Method of sampling - Specifications
• Effective Date: 28-Jan-2026

Overview

EN 12441-5:2003 – Zinc and zinc alloys – Chemical analysis – Part 5: Determination of iron in primary zinc – Spectrophotometric method is a European standard developed by CEN (European Committee for Standardization). This standard specifies a precise analytical method for determining iron content in primary zinc using spectrophotometry. The method is applicable to primary zinc products, as specified in EN 1179, and allows for reliable measurement of iron in concentrations ranging from 0.001% to 0.1%. The test procedure ensures accurate assessment of iron content, which is critical for maintaining the quality and usability of zinc and zinc alloy materials in industrial applications.

Key Topics

• Spectrophotometric Method: Utilizes the colorimetric measurement of a specific chemical complex formed between iron and sulfosalicylic acid in an ammoniacal medium, measured at 425 nm.
• Range of Applicability: Suitable for primary zinc and relevant zinc alloy samples with iron mass fractions from 0.001% up to 0.1%.
• Sampling and Preparation: Samples are selected and prepared according to EN 12060, ensuring representative and consistent test specimens.
• Reagents and Equipment: Prescribes the use of analytical-grade reagents such as sulfosalicylic acid, ammonia, hydrochloric acid, and standard iron solutions, along with calibrated spectrophotometric equipment.
• Calculation and Reporting: Results are determined using calibration standards and are reported as a percentage by mass, ensuring comparability across laboratories.

Applications

EN 12441-5:2003 is essential in industries and laboratories where the precise determination of iron in zinc-based materials is required. This standard is widely used in:

• Quality Control in Metallurgical Production: Ensures that zinc and zinc alloy products meet strict industry and regulatory iron content limits, preventing undesired effects on material properties.
• Material Certification: Used by certified testing laboratories to verify compliance of primary zinc with specifications outlined in EN 1179.
• Research and Development: Supports analytical studies focused on improving zinc processing techniques and optimizing alloy compositions by providing a trusted iron analysis method.
• Regulatory Compliance: Adherence to EN 12441-5:2003 facilitates acceptance and certification of zinc materials in European and international markets.

By adhering to this standardized spectrophotometric method, manufacturers and laboratories can ensure accurate, consistent, and repeatable measurement of low-level iron content, supporting product reliability and regulatory requirements.

Related Standards

EN 12441-5:2003 is one part in a broader series addressing chemical analysis methods for zinc and zinc alloys. Relevant related standards include:

• EN 1179: Zinc and zinc alloys – Primary zinc (specifies the product scope for which EN 12441-5 is applicable)
• EN 12060: Zinc and zinc alloys – Method of sampling – Specifications (guides proper preparation and sampling)
• EN 12441 Series, Parts 1-11:
  • Part 1: Determination of aluminium in zinc alloys – Titrimetric method
  • Part 2: Determination of magnesium – Flame atomic absorption spectrometric method
  • Part 3: Determination of lead, cadmium, and copper – Flame atomic absorption spectrometric method
  • Part 4: Determination of iron in zinc alloys – Spectrophotometric method
  • Part 6: Determination of aluminium and iron – Flame atomic absorption spectrometric method
  • Additional parts cover the determination of tin, nickel, chromium, titanium, and silicon in zinc alloys

Keywords: EN 12441-5, primary zinc, zinc alloys, iron determination, spectrophotometric analysis, chemical analysis standards, CEN, metallurgical quality control, European standard.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Zink und Zinklegierungen - Chemische Analyse - Teil 5: Bestimmung von Eisen in Primärzink - Spektrophotometrisches VerfahrenZinc et alliages de zinc - Analyse chimique - Partie 5: Dosage du fer dans le zinc primaire - Méthode spectrophotométriqueZinc and zinc alloys - Chemical analysis - Part 5: Determination of iron in primary zinc - Spectrophotometric method77.120.60Svinec, cink, kositer in njihove zlitineLead, zinc, tin and their alloys77.040.30Kemijska analiza kovinChemical analysis of metalsICS:Ta slovenski standard je istoveten z:EN 12441-5:2003SIST EN 12441-5:2004en01-januar-2004SIST EN 12441-5:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12441-5March 2003ICS 77.040.30; 77.120.60English versionZinc and zinc alloys - Chemical analysis - Part 5: Determinationof iron in primary zinc - Spectrophotometric methodZinc et alliages de zinc - Analyse chimique - Partie 5:Dosage du fer dans le zinc primaire - MéthodespectrophotométriqueZink und Zinklegierungen - Chemische Analyse - Teil 5:Bestimmung von Eisen in Primärzink -Spektrophotometrisches VerfahrenThis European Standard was approved by CEN on 21 November 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12441-5:2003 ESIST EN 12441-5:2004
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