ISO/TS 13899-1:2004 PDF

Name: ISO/TS 13899-1:2004 — Steel — Determination of Mo, Nb and W contents in alloyed steel — Inductively coupled plasma atomic emission spectrometric method — Part 1: Determination of Mo content
SKU: ISO/TS 13899-1:2004
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Steel — Determination of Mo, Nb and W contents in alloyed steel — Inductively coupled plasma atomic emission spectrometric method — Part 1: Determination of Mo content

Название (английский):

ISO/TS 13899-1:2004

Steel — Determination of Mo, Nb and W contents in alloyed steel — Inductively coupled plasma atomic emission spectrometric method — Part 1: Determination of Mo content

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 1 апреля 2004 г.
Издание:: ISO TS 13899 edition 1 version 1
ICS:: 77.080.20

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Описание (английский):

ISO/TS 13899-1:2004 specifies an inductively coupled plasma atomic emission spectrometric method for the determination of molybdenum content in steel. The method is applicable to molybdenum contents between 0,03 % (mass fraction) and 8,5 % (mass fraction).

Abstract

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Overview

ISO/TS 13899-1:2004 specifies an inductively coupled plasma atomic emission spectrometric (ICP‑AES) method for the determination of molybdenum (Mo) in alloyed steel. The procedure covers sample dissolution, fuming and dilution, and ICP‑AES measurement using matrix‑matched calibration and optional internal standardization. The method is applicable for Mo mass fractions from 0.03 % to 8.5 %.

Keywords: ISO/TS 13899-1, molybdenum determination, ICP‑AES, steel analysis, alloyed steel, molybdenum content.

Key topics and technical requirements

Analytical principle: Dissolution of a 0.25 g test portion in hydrochloric, nitric and phosphoric acids; perchloric fuming; treatment with hydrofluoric acid; dilution and nebulization into ICP‑AES.

Matrix matching and bracketing: Calibration solutions must closely match the sample matrix and bracket the sample concentration to compensate spectral and matrix interferences. If sample composition is unknown, a semi‑quantitative pre‑analysis is required.

Instrument performance criteria:

Bandwidth (FWHM) for selected lines < 0.030 nm
Short‑term stability (RSD of 10 measurements) ≤ 0.4%
Background equivalent concentration (BEC) < 0.5 mg/L
Detection limit (DL) < 0.015 mg/L
Calibration linearity: correlation coefficient > 0.999

Recommended analytical lines & interferences: examples include Mo 202.03 nm (Ta interference) and Mo 281.61 nm (Al, Hf interference); scandium 363.07 nm is recommended as an interference‑free internal standard line for many matrices.

Reagents and apparatus: Analytical‑grade acids (HCl, HNO3, H3PO4, HClO4, HF), class A volumetric glassware, HF‑resistant nebulizer/spray system and PTFE beakers.

Applications and users

This technical specification is intended for:

Steel producers and alloy manufacturers for quality control of Mo content

Analytical and metallurgical laboratories performing compositional analysis of alloyed steels

Third‑party testing and certification bodies requiring standardized Mo quantification

R&D groups developing or validating ICP‑AES methods for high‑alloy steels

Practical applications include batch release testing, alloy verification, traceability in supply chains, and support for metallurgical process control where accurate Mo content is critical to material properties.

Related standards

ISO/TS 13899 (Parts 2 & 3) - determination of Nb and W by ICP‑AES

ISO 14284 - sampling and sample preparation for chemical composition

ISO 3696 - water for analytical laboratory use

ISO 648, ISO 1042 - calibrated pipettes and volumetric flasks

ISO 5725 series - accuracy (trueness and precision) of measurement methods

Using ISO/TS 13899-1 helps ensure reproducible, accurate molybdenum determinations in alloyed steels and supports compliance with international analytical best practices.

ISO/TS 13899-1:2004 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

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