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Significance and Use
These test methods are suitable for process control, for product acceptance, and for research and development.
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 3. Five methods of determination are as follows:
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1076 Specification for Rubber--Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
E663 Practice for Flame Atomic Absorption Analysis
ISO StandardsISO1655 Rubber-Manganese Content-Photometric Technique-Determination
ICS Number Code 83.060 (Rubber)
UNSPSC Code 13100000(Rubber and elastomers)