ISO/TS 18223:2015 PDF

Nickel alloys — Determination of Nickel content — Inductively coupled plasma atomic emission spectrometric method

Название (английский):

ISO/TS 18223:2015

Nickel alloys — Determination of Nickel content — Inductively coupled plasma atomic emission spectrometric method

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 9 декабря 2015 г.
Издание:: ISO TS 18223 edition 1 version 1
ICS:: 77.120.40

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Описание (английский):

ISO/TS 18223:2015 describes an inductively coupled plasma atomic emission spectrometric method for the determination of nickel content (mass fraction) between 20,0 % and 80,0 % in nickel alloys. Besides alloys where nickel is the main component regarding its content level, this method may also apply to alloys in which nickel has a content as high as several other elements (Fe, Cr, Co,?) and in which the "main element" cannot be specified.

Технические детали

Технический комитет: ISO/TC 155 - Nickel and nickel alloys
SKU: ISO/TS 18223:2015

Abstract

Overview

ISO/TS 18223:2015 specifies an inductively coupled plasma atomic emission spectrometric (ICP-AES) method for the determination of nickel content (mass fraction) in nickel alloys. The procedure covers mass fractions between 20.0 % and 80.0 % and applies to alloys where nickel is the major component or where nickel’s level is comparable with other elements (Fe, Cr, Co, …). The method emphasizes matrix-matched calibration and bracketing to minimize spectral and matrix interferences for accurate nickel quantification.

Key Topics and Requirements

Scope and range: Designed for nickel alloys with nickel content from 20.0 % to 80.0 %.
Analytical principle: Dissolution of a test portion in a mixture of HF, HCl, HNO3 and H3PO4, fuming with HClO4, dilution, nebulisation and measurement by ICP-AES.
Matrix-matched calibration & bracketing: Calibration solutions must closely match sample matrix; two bracketing standards are prepared approximately ±2 % around the expected nickel concentration to reduce matrix effects.
Internal reference element: Use of an internal standard is recommended (scandium at 363.07 nm suggested) to correct for instrumental drift and nebulisation effects where instrument capability allows.
Performance criteria for the spectrometer: Requirements include spectral resolution (bandwidth

Overview

Key Topics and Requirements

Scope and range: Designed for nickel alloys with nickel content from 20.0 % to 80.0 %.
Analytical principle: Dissolution of a test portion in a mixture of HF, HCl, HNO3 and H3PO4, fuming with HClO4, dilution, nebulisation and measurement by ICP-AES.
Matrix-matched calibration & bracketing: Calibration solutions must closely match sample matrix; two bracketing standards are prepared approximately ±2 % around the expected nickel concentration to reduce matrix effects.
Internal reference element: Use of an internal standard is recommended (scandium at 363.07 nm suggested) to correct for instrumental drift and nebulisation effects where instrument capability allows.
Performance criteria for the spectrometer: Requirements include spectral resolution (bandwidth

ISO/TS 18223:2015 PDF

Технические детали

Abstract

Overview

Key Topics and Requirements

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