SIST EN ISO 10714:2024 PDF

Name: SIST EN ISO 10714:2024 — Steel and iron - Determination of phosphorus content - Phosphovanadomolybdate spectrophotometric method (ISO 10714:2024)
SKU: SIST EN ISO 10714:2024
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Steel and iron - Determination of phosphorus content - Phosphovanadomolybdate spectrophotometric method (ISO 10714:2024)

Название (английский):

SIST EN ISO 10714:2024

Steel and iron - Determination of phosphorus content - Phosphovanadomolybdate spectrophotometric method (ISO 10714:2024)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 17
Дата публикации:: 19 августа 2024 г.
Издание:: ISO 10714:2024
ICS:: 77.040.30

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Описание (английский):

This document specifies a spectrophotometric method for the determination of phosphorus in steel and cast iron. The method is applicable to phosphorus contents between 0,001 0 % (mass fraction) and 1,0 % (mass fraction).

Abstract

Overview

Key topics and technical requirements

Analytical principle: Dissolution in oxidizing acid, fuming with perchloric acid, removal of chromium (as chromyl chloride), complexing of silicon/refractory elements with hydrofluoric acid and boric acid, conversion of phosphate to phosphovanadomolybdate, extraction into 4‑methyl‑2‑pentanone and spectrophotometric measurement at 355 nm.
Application range: Method applicable from 0.0010% to 1.0% P (mass fraction); Table 1 prescribes recommended test portion sizes and application sub-ranges depending on contents of interfering elements.
Interferences: Arsenic (As), hafnium (Hf), niobium (Nb), tantalum (Ta), titanium (Ti) and tungsten (W) can interfere. The standard describes mitigation by complexing agents and limiting sample size.
Reagents and quality control: Specifies reagent types (perchloric acid, hydrofluoric acid, citric acid, ammonium metavanadate, hexa-ammonium heptamolybdate, 4‑methyl‑2‑pentanone) and requires blank tests to verify low phosphorus blanks and traceability of standards.
Safety notes: Use precautions for hazardous reagents (perchloric acid, hydrofluoric acid, organic solvents).
Procedure elements: Sampling/sample preparation, test portion selection, blank test, calibration curve preparation, and expression of results. The 2024 edition includes re-evaluated interlaboratory precision data.

Applications

Routine quality control and metallurgical laboratory analysis in steel mills and foundries.
Verification of material grades and compliance with contractual/specification phosphorus limits.
Process control monitoring in production of alloy steels and cast irons where phosphorus affects mechanical properties, weldability and corrosion behaviour.
Regulatory and certification testing labs performing documented, internationally recognized phosphorus assays.

Who should use this standard

Metallurgical laboratories and QA/QC teams in steel producers and foundries
Third‑party testing and certification bodies
Research and development teams working on steel chemistry
Chemical analysts and laboratory managers implementing standardized spectrophotometric methods

Related standards

ISO 14284 - Sampling and preparation of samples for chemical composition
ISO 3696 - Water for analytical laboratory use
ISO 648, ISO 1042 - Laboratory glassware specifications

Keywords: EN ISO 10714:2024, phosphorus determination, phosphovanadomolybdate spectrophotometric method, steel and iron analysis, spectrophotometry, chemical analysis of metals.

Технические детали

Технический комитет: IFEK - Ferrous metals
SKU: SIST EN ISO 10714:2024

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ISO 10714:2024

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SIST EN ISO 10714:2024 PDF

Abstract

Overview

Похожие стандарты

Key topics and technical requirements

Applications

Who should use this standard

Related standards

Технические детали

ISO 10714:2024

Steel and iron — Determination of phosphorus content — Phosphovanadomolybdate spectrophotometric method

SIST EN ISO 14284:2023

Steel and iron - Sampling and preparation of samples for the determination of chemical composition (ISO 14284…

SIST EN ISO 3696:1998

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

ISO 6487:2015/Amd 1:2017

Road vehicles — Measurement techniques in impact tests — Instrumentation — Amendment 1

BS EN ISO 10427-1:2024

Oil and gas industries including lower carbon energy. Equipment for well cementing. Casing bow-spring central…