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BS ISO 12742:2020

BS ISO 12742:2020

$142.49

Copper, lead and zinc sulfide concentrates. Determination of transportable moisture limits. Flow-table method

Published By Publication Date Number of Pages
BSI 2020 30
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This document specifies a flow-table method for the determination of the transportable moisture limit (TML) of copper, lead and zinc sulfide concentrates, which can liquefy during transport.

It is applicable to the determination of the TML of concentrates containing 10 % to 80 % (mass fraction) of lead, 10 % to 65 % (mass fraction) of zinc or 10 % to 55 % (mass fraction) of copper and is applicable to TML values in the range 3 % to 28 % (mass fraction).

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
10 5 Apparatus
11 6 Sampling and sample preparation
6.1 General
6.2 Laboratory sample
12 6.3 Sample preparation
7 Procedure
7.1 General
7.2 Preparation of test portions
7.2.1 General
13 7.2.2 Filling the mould
7.2.3 Tamping pressure
7.2.4 Tamping procedure
14 7.2.5 Removal of the mould
7.2.6 Dropping the flow table
7.3 Identification of the flow state
16 7.4 Preliminary flow moisture point
7.4.1 Preparation of test portion
7.4.2 Determination of preliminary flow moisture point
17 7.4.3 Addition of water for preliminary flow moisture point test
7.4.4 Treatment of sample received above the flow moisture point
7.5 Main flow moisture point determination
7.5.1 Preparation of test portions
7.5.2 Determination of main flow moisture point
7.5.3 Addition of water for main flow moisture point determination
18 7.6 Graphical method
7.6.1 Preparation of test portions
7.6.2 Determination of flow moisture point
7.7 Moisture determination
8 Expression of results
8.1 Main flow moisture point
19 8.2 Flow moisture point determined by the graphical method
9 Validation of main flow moisture point
10 Test report
20 Annex A (normative) Description of equipment used to determine TML
29 Bibliography

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BS ISO 12742:2020
$142.49