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Normas ASTM – AENOR
ASTM D4004-93(2002)

ASTM D4004-93(2002)

Standard Test Methods for Rubber—Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

1.1 These test methods cover the determination of lead, zinc, copper, and manganese in raw rubber and rubber compounds, vulcanized or unvulcanized. The level at which the metals are present is taken into account by suitable adjustments of sample mass and dilution.

1.2 Certain compounding ingredients, present in the rubber sample will dictate which of the methods should be used. Refer to Section . Five methods of determination are as follows:

Sections
Method A8
Method B9
Method C10
Method D14-22
Method E23-31

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords:
copper; flame atomic absorption; lead; manganese; metal content of rubber; zinc
50,42
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