ISO 22863-5:2021 PDF

Name: ISO 22863-5:2021 — Fireworks — Test methods for determination of specific chemical substances — Part 5: Analysis of lead and lead compounds by inductively coupled plasma spectrometry (ICP)
SKU: ISO 22863-5:2021
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Fireworks — Test methods for determination of specific chemical substances — Part 5: Analysis of lead and lead compounds by inductively coupled plasma spectrometry (ICP)

Название (английский):

ISO 22863-5:2021

Fireworks — Test methods for determination of specific chemical substances — Part 5: Analysis of lead and lead compounds by inductively coupled plasma spectrometry (ICP)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 18 марта 2021 г.
Издание:: ISO IS 22863 edition 1 version 1
ICS:: 71.100.30

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Описание (английский):

This document specifies the method for the determination of the content of lead and lead compounds in pyrotechnic compositions of fireworks by Inductive coupled plasma spectrometry.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 22863-5:2021 - Fireworks - Test methods for determination of specific chemical substances - Part 5: Analysis of lead and lead compounds by inductively coupled plasma spectrometry (ICP) - specifies a validated laboratory method to determine lead (Pb) content in pyrotechnic compositions. The standard defines sample preparation (acid digestion), instrumental analysis by ICP-OES, calibration, quality controls and reporting requirements to produce reproducible results expressed in mg/kg.

Key topics and technical requirements

Scope: Determination of lead and lead compounds in fireworks and pyrotechnic compositions using ICP spectrometry after acid digestion.

Sample prep:

Dry sample at (105 ± 5) °C to constant mass.
Digest representative aliquots with nitric acid (HNO3) (three separate digestions; microwave digestion is optional following manufacturer guidance).
Filter, combine aliquots and make up to volume (typically 100.0 ml).

Instrumentation and consumables:

ICP-OES (argon plasma) with manufacturer-recommended accessories.
Analytical balance (±0.1 mg), oven, crucible (25 ml), volumetric flasks.

Calibration:

External calibration series recommended: 0.00, 0.25, 0.50, 1.00, 5.00 and 10.0 μg/ml Pb (prepared from a 1 000 μg/ml stock).
Optional internal standard: yttrium (Y) at 2 μg/ml (Y line cited at 324.228 nm).
Typical instrument settings are specified (e.g., plasma flow 15.0 L/min, nebulizer 0.75 L/min, power ~1.30 kW).
Primary analytical line recommended for Pb (220.353 nm); an alternate line is suggested to check spectral interferences.

Quality control:

Analyze at least one certified reference material (CRM) per batch; recovery expected within ±15%.
Instrument calibration check tolerances: calibration points within ±5%; sample concentrations within ±10% of true value or require re-calibration.
Typical method precision targets indicated (relative standard deviation ~10%, recovery ~90%) and note potential spectral bias from aluminum levels >1% w/w.

Reporting:

Results reported in mg/kg with method reference ISO 22863-5:2021 and full sample description per ISO 22863-1.

Applications and users

This standard is intended for:

Test laboratories analyzing fireworks, pyrotechnic formulations, regulatory compliance testing and safety assessment.

Manufacturers performing incoming quality control and formulation verification to limit Pb content.

Regulators and certification bodies enforcing limits on toxic metals in consumer pyrotechnics. Practical uses include contamination assessment, pre-market testing, batch release testing and inter-laboratory method harmonization.

Related standards

ISO 22863-1 - Artifices de divertissement - Test methods for determination of specific chemical substances - Part 1: Generalities (terminology, sampling and general requirements).

Other parts of the ISO 22863 series covering analyses of different substances in fireworks.

Keywords: ISO 22863-5:2021, fireworks testing, lead analysis, ICP-OES, pyrotechnic compositions, nitric acid digestion, certified reference material, calibration, laboratory method.

ISO 22863-5:2021 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

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