ISO 5418-1:2006 PDF

Name: ISO 5418-1:2006 — Iron ores — Determination of copper — Part 1: 2,2'-Biquinolyl spectrophotometric method
SKU: ISO 5418-1:2006
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Iron ores — Determination of copper — Part 1: 2,2'-Biquinolyl spectrophotometric method

Название (английский):

ISO 5418-1:2006

Iron ores — Determination of copper — Part 1: 2,2'-Biquinolyl spectrophotometric method

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 1 декабря 2006 г.
Издание:: ISO IS 5418 edition 2 version 1
ICS:: 73.060.10

Тип поставки:

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Срок поставки:2 раб. дн. (перевод)

Цена:180 €

Описание (английский):

ISO 5418-1:2006 specifies a 2,2'-biquinolyl spectrophotometric method for the determination of copper in iron ores. This method is applicable to mass fractions of copper between 0,005 % and 0,77 % in natural iron ores, iron ore concentrates and agglomerates, including sinter products.

Abstract

Overview

Key topics and technical requirements

Analytical principle: acid decomposition of a test portion, removal/dehydration of silica, fusion of residue, reduction of Cu(II) to Cu(I) with ascorbic acid and formation of a red‑violet copper(I) complex with 2,2′-biquinolyl, measured spectrophotometrically at ≈545 nm.
Scope & measurement range: applicable to copper mass fractions 0.005%–0.77% in various iron ore matrices.
Reagents & purity: prescribes analytical-grade reagents (e.g., HCl, HNO3, HClO4, HF, H2SO4), N,N‑dimethylformamide, ascorbic acid and prepared 2,2′-biquinolyl solution; includes guidance on copper‑free glassware and water (ISO 3696 grade 3).
Apparatus: common lab glassware complying with ISO 648/1042, platinum crucible, muffle furnace (to ~1 000 °C) and a spectrophotometer capable of measurements near 545 nm.
Sampling & sample prep: references ISO 3082 and ISO 7764 for sampling, particle-size recommendations (typically −100 µm or −160 µm depending on ore characteristics) and predrying at 105 °C ±2 °C.
Quality control & precision: requires blank tests, analysis of certified reference materials, duplicate independent determinations and provides guidance on repeatability, between‑laboratory precision and acceptance of analytical values.
Safety note: involves hazardous acids and volatile fluorides; the standard warns users to adopt appropriate health and safety practices.

Applications and users

Practical for mining and metallurgical laboratories, quality control (QC) in ore processing plants, commodity testing laboratories and organizations verifying feedstock for steelmaking.
Used to: quantify copper impurities in iron ores/concentrates, support product specification compliance, inform beneficiation decisions and provide reference data for contractual testing.
Beneficial where spectrophotometric alternative to atomic absorption is preferred for the specified concentration range.

Related standards

ISO 5418-2: (same series) Flame atomic absorption spectrometric method for copper in iron ores.
Referenced documents: ISO 3082 (sampling), ISO 7764 (sample preparation), ISO 3696, ISO 648, ISO 1042.

Keywords: ISO 5418-1:2006, iron ores, copper determination, 2,2′-biquinolyl, spectrophotometric method, ore analysis, analytical chemistry, laboratory procedure.

Технические детали

Технический комитет: ISO/TC 102/SC 2 - Chemical analysis
SKU: ISO 5418-1:2006

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