ISO 13545:2000 PDF

Name: ISO 13545:2000 — Lead sulfide contentrates — Determination of lead content — EDTA titration method after acid digestion
SKU: ISO 13545:2000
Price: 25 EUR
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Lead sulfide contentrates — Determination of lead content — EDTA titration method after acid digestion

Название (английский):

ISO 13545:2000

Lead sulfide contentrates — Determination of lead content — EDTA titration method after acid digestion

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 17
Дата публикации:: 2 марта 2000 г.
Издание:: ISO IS 13545 edition 1 version 1
ICS:: 73.060.99

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Описание (английский):

This International Standard specifies a lead sulfate precipitation EDTA titrimetric method after acid decomposition for determination of the lead content of lead sulfide concentrates. The method is applicable to lead sulfide concentrates having lead content in the range 50 % (m/m) to 80%(m/m). The method is not applicable to lead concentrates containing more than 1 % (m/m) of barium.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 13545:2000 - Lead sulfide concentrates: determination of lead content specifies a standardized wet-chemistry procedure for measuring lead in lead sulfide (galena) concentrates. The method uses acid digestion, lead sulfate precipitation, and EDTA titration (with xylenol orange indicator) after removing interfering elements. It is intended for concentrates with lead content between 50 % (m/m) and 80 % (m/m) and is not applicable when barium exceeds 1 % (m/m). The standard includes procedural steps, reagent and apparatus requirements, sampling guidance and precision/accuracy information.

Key topics and requirements

Scope & applicability: Designed specifically for lead sulfide concentrates within the 50–80% Pb range; limitation for high barium content.

Principle: Acid decomposition (nitric/sulfuric/bromine), removal of As/Sb/Sn, precipitation of lead as lead sulfate, dissolution in ammonium acetate, and titration with EDTA using xylenol orange.

Reagents & standards: Analytical-grade acids, bromine, ammonium acetate, EDTA volumetric standard solution, and standard lead solutions for EDTA standardization.

Apparatus: Class A volumetric glassware, analytical balance (0.1 mg), crucibles, pH meter; AAS or ICP is referenced as optional for complementary lead determination.

Sampling & test portions: Test portions typically 0.25–0.5 g (around 200 mg Pb); advice on air-equilibrated samples and predried portions (Annex A).

Quality control: Duplicate determinations (repeatability conditions), blank tests, EDTA standardization routine, acceptance flowchart and precision equations (Annexes A–C).

Safety note: Use appropriate lab safety due to hazardous reagents and operations.

Practical applications and users

Who uses ISO 13545:2000:

Metallurgical and mineral assay laboratories performing routine concentrate analysis.

Mining companies and concentrate producers for product specification and quality control.

Regulatory bodies and contract laboratories verifying concentrate composition for trade and compliance.

Research groups validating analytical methods for sulfide concentrates.

Practical value:

Provides a reproducible, validated methodology for accurate lead content determination in galena concentrates.

Useful for production quality control, shipment certification, metallurgical accounting, and dispute resolution in concentrate trading.

Complementary use with instrumental methods (AAS/ICP) allows cross-checking and method verification.

Related standards

Relevant laboratory and sampling standards cited within ISO 13545 include:

ISO 9599 (hygroscopic moisture in concentrates)

ISO 3696 (water for analytical use)

ISO volumetric glassware and pipette standards (ISO 385-1, ISO 648, ISO 1042, ISO 4787)

ISO Guide 35 (certification of reference materials)

Keywords: ISO 13545:2000, lead sulfide concentrates, lead content determination, EDTA titration, acid digestion, lead sulfate precipitation, xylenol orange, metallurgical assay.

ISO 13545:2000 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications and users

Related standards

Технические детали

SIST ISO 13545:2001

Lead sulfide contentrates -- Determination of lead content -- EDTA titration method after acid digestion

SIST ISO 9599:2016

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SIST EN ISO 3696:1998

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

ISO 385-1:1984

Laboratory glassware — Burettes — Part 1: General requirements

ISO 6487:2015/Amd 1:2017

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BS EN ISO 10427-1:2024

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SIST EN ISO 4787:2022

Laboratory glass and plastic ware - Volumetric instruments - Methods for testing of capacity and for use (ISO…