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BSI BS ISO 5796:2000

Rubber compounding ingredients. Natural calcium carbonate. Test methods
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BSI BS ISO 5796:2000

Rubber compounding ingredients. Natural calcium carbonate. Test methods

PUBLISH DATE 2000
PAGES 28
BSI BS ISO 5796:2000

1.1 This International Standard specifies the methods to be used for the evaluation of natural calcium carbonate (chalk or limestone) ground to a dry powder for use in the rubber industry.

NOTE 1 Classification of natural calcium carbonate according to fineness and chemical purity and typical physical and chemical properties for use in the rubber industry are given in informative annex D.

NOTE 2 This International Standard does not cover calcium carbonates prepared by precipitation from solution.

1.2 There are two sets of analytical methods listed in this International Standard. In the body of the text (4.8.2 to 4.8.4), the traditional spectrophotometric methods are given; these are obsolescent, time-consuming and use a chlorinated solvent. It is recommended that these methods be phased out and replaced by the atomic absorption methods listed in annexes A, B and C.

SDO BSI: British Standards Institution
Document Number ISO 5796
Publication Date Nov. 15, 2000
Language en - English
Page Count 28
Revision Level
Supercedes
Committee PRI/22
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