ISO 2596:2006

Iron ores — Determination of hygroscopic moisture in analytical samples — Gravimetric, Karl Fischer and mass-loss methods

ISO 2496:2006 specifies the following four test methods for the determination of the hygroscopic moisture content of test samples: Method 1 -- Gravimetric method; Method 2 -- Karl Fischer volumetric method; Method 3 -- Karl Fischer coulometric method; Method 4 -- Mass-loss method. Any of these methods is applicable wherever the analytical value of a chemical constituent is to be calculated to a dried sample basis in the following ore types. Processed ores containing metallic iron (direct reduced iron). Natural or processed ores in which the sulfur content is greater than 0,2 % (mass fraction). Natural or processed ores in which the combined water is greater than 2,5 % (mass fraction). Any of these methods is applicable to a concentration range of 0,05 % (mass fraction) to 4,5 % (mass fraction) hygroscopic moisture.

Minerais de fer — Détermination de l'humidité hygroscopique dans les échantillons pour analyse — Méthodes gravimétrique, selon Karl Fischer et par perte de masse

General Information

• Status: Published
• Publication Date: 09-May-2006
• ICS: 73.060.10 - Iron ores
• Technical Committee: ISO/TC 102/SC 2 - Chemical analysis
• Drafting Committee: ISO/TC 102/SC 2 - Chemical analysis
• Current Stage: 9060 - Close of review
• Start Date: 04-Mar-2029

Relations

• Revises: ISO 2596:1994 - Iron ores — Determination of hygroscopic moisture in analytical samples — Gravimetric and Karl Fischer methods
• Effective Date: 15-Apr-2008

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 2596
Fifth edition
2006-05-01

Iron ores — Determination of
hygroscopic moisture in analytical
samples — Gravimetric, Karl Fischer and
mass-loss methods
Minerais de fer — Détermination de l'humidité hygroscopique dans les
échantillons pour analyse — Méthodes gravimétrique, selon Karl
Fischer et par perte de masse




Reference number
ISO 2596:2006(E)
©
ISO 2006

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ISO 2596:2006(E)
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ISO 2596:2006(E)
Contents Page
Foreword. v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Method 1 — Gravimetric method . 2
3.1 Principle. 2
3.2 Reagents. 2
3.3 Apparatus . 3
3.4 Sampling and samples. 4
3.4.1 Laboratory sample. 4
3.4.2 Preparation of test sample. 4
3.5 Procedure . 4
3.5.1 Apparatus conditioning. 4
3.5.2 System checks . 5
3.5.3 Blank test. 5
3.5.4 Check test. 5
3.5.5 Determination. 6
3.6 Expression of results . 6
3.6.1 Calculation of hygroscopic moisture content .
...