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BS ISO 21869:2022

BS ISO 21869:2022

$167.15

Rubber compounding ingredients. Magnesium oxide. Methods of test

Published By Publication Date Number of Pages
BSI 2022 34
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PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Sampling
5 Moisture, magnesium hydroxide and magnesium carbonate content
10 5.1 Thermogravimetry
5.1.1 Procedure
5.1.2 Expression of the results
11 5.2 Loss in mass on oven heating
5.2.1 Moisture content
12 5.2.2 Magnesium hydroxide content
5.2.3 Magnesium carbonate content
13 6 Loss on ignition
6.1 Principle
6.2 Apparatus
14 6.3 Test procedure
6.4 Calculation
7 Magnesium oxide content
7.1 Principle
7.2 Determination of total magnesium oxide and calcium oxide contents
7.2.1 Reagents
16 7.2.2 Apparatus
7.2.3 Test procedure
17 7.3 Determination of calcium oxide content
7.3.1 Determination of the content by AAS or ICP-AES
7.3.2 Conversion of the content by AAS or by ICP-AES into the titration volume of EDTA
7.4 Calculation of magnesium oxide content
8 Determination of the specific surface area
18 9 Determination of the sieve residue
9.1 Reagents
9.2 Apparatus
9.3 Procedure
9.4 Expression of the results
19 10 Determination of chloride
10.1 Principle
10.2 Reagents
10.3 Apparatus
10.4 Procedure
10.5 Expression of the results
11 Determination of the sulfate content
11.1 Principle
20 11.2 Reagents
11.3 Apparatus
11.4 Procedure
21 11.5 Expression of the results
12 Ash of hydrochloric acid-insoluble matter
12.1 Principle
12.2 Reagents
12.3 Apparatus
12.4 Procedure
22 12.5 Expression of the results
13 Water-soluble matter content
13.1 Principle
13.2 Reagents
13.3 Apparatus
13.3.3 Water bath.
23 13.4 Procedure
13.5 Expression of the results
14 Bulk density
14.1 Principle
14.2 Apparatus
24 14.3 Procedure
14.4 Expression of the results
25 15 Test report
26 Annex A (normative) Determination of calcium oxide content
31 Annex B (informative) Typical values of properties of magnesium oxides used as rubber compounding ingredients
32 Bibliography

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BS ISO 21869:2022
$167.15