ISO 8954-2:1990

Overview

ISO 8954-2:1990 - Ferroalloys - Vocabulary - Part 2: Sampling and sample preparation defines the terminology used for sampling and sample preparation of ferroalloys intended for chemical analysis and particle-size determination. This part of the ISO 8954 series standardizes vocabulary for types of samples (increment, subsample, gross sample, divided sample, test sample, size sample), sampling methods (manual, mechanical, random, systematic, two-stage) and sample-preparation processes (division, crushing, homogenization, pre-drying).

Keywords: ISO 8954-2, ferroalloys sampling, sample preparation, ferroalloys vocabulary, sampling methods.

Key topics

• Defined terms for sampling and preparation of ferroalloys used in laboratory and field testing.
• Sample types: increment, subsample (composite), gross sample, divided sample, test sample, and size/sample for sieve analysis.
• Sampling methods: manual vs mechanical sampling, random sampling, systematic sampling, and two-stage sampling.
• Sample preparation processes: sample division, crushing, homogenisation (mixing), and optional pre-drying - described as stages required to make samples ready for chemical or granulometric analysis.
• Scope focus: vocabulary specifically linked to chemical analysis and size distribution determinations of ferroalloys.
• Informative annex: bibliography referencing related ISO documents on sampling practice and sample preparation.

Practical applications

• Establishes a common language for documenting and specifying sampling and sample-preparation procedures in contracts, test reports and quality manuals.
• Supports consistent sampling practices for chemical composition analysis and particle-size (sieve) analysis of ferroalloys.
• Helps reduce misunderstandings between producers, testing laboratories and buyers by standardizing sample-related terms used in quality control, acceptance testing and dispute resolution.
• Useful when drafting sampling protocols for incoming consignments, production quality checks, and export/import inspections.

Who uses this standard

• Metallurgical and ferroalloy producers and process engineers
• Quality control and laboratory staff performing chemical and sieve analyses
• Inspection bodies, procurement teams and trading companies handling consignments
• Testing laboratories, standards committees and technical writers preparing procedures or contracts related to ferroalloys

Related standards

• ISO 8954 (other parts) - overall ferroalloys vocabulary series (including parts covering materials and sieve analysis)
• ISO 3713:1987 - Ferroalloys - Sampling and preparation of samples - General rules
• ISO 4552-1:1987 and ISO 4552-2:1987 - Sampling and sample preparation for chemical analysis (specific ferroalloy groups)

Using ISO 8954-2 as the authoritative vocabulary helps ensure clarity and interoperability across sampling procedures, laboratory methods and commercial specifications in the ferroalloy supply chain.