ASTM B589-94(2021)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B589 −94 (Reapproved 2021)
Standard Specification for
Refined Palladium
This standard is issued under the fixed designation B589; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Determine Conformance with Specifications
1.1 This specification covers refined palladium as sponge,
3. Materials and Manufacture
cast bar, and wrought forms (Note 1) in one grade as follows:
1.1.1 Grade 99.95 (UNS PO3995)—Palladium having a
3.1 The metal may be produced by any refining process that
purity of 99.95 %.
yields a product capable of meeting the chemical requirements
of this specification. The purchaser, upon request, shall be
NOTE1—Otherformsofunfabricatedpalladiumofcommercearenotto
informed of the refining process used.
be excluded under this specification.
NOTE 2—For the purposes of determining conformance with this
3.2 The surfaces of bars and wrought forms shall exhibit
specification, an observed value obtained from analysis shall be rounded
quality generally acceptable to the trade.
to the nearest unit in the last right hand place of figures used in expressing
the limiting value, in accordance with the rounding method of Practice
E29.
4. Chemical Composition
1.2 The values stated in inch-pound units are to be regarded
4.1 The refined palladium shall conform to the requirements
as standard. The values given in parentheses are mathematical
as to the chemical composition prescribed in Table 1.
conversions to SI units that are provided for information only
and are not considered standard.
5. Sampling
1.3 This standard does not purport to address all of the
5.1 The value of this material is such that special attention
safety concerns, if any, associated with its use. It is the
must be paid to sampling procedures. The purchaser and
responsibility of the user of this standard to become familiar
manufacturer shall agree upon the sampling procedures used.
with all hazards including those identified in the appropriate
5.2 Lot Size—Sampling lots shall consist of the following:
Safety Data Sheet (SDS) for this product/material as provided
5.2.1 Sponge—A single refining lot, and
by the manufacturer, to establish appropriate safety, health,
5.2.2 Other Forms—Asingle melt or primary consolidation.
and environmental practices, and determine the applicability
of regulatory limitations prior to use.
6. Method of Analysis
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard-
6.1 Pending the development of standardASTM methods of
ization established in the Decision on Principles for the
chemical or spectrographic analysis, or both, the methods to be
Development of International Standards, Guides and Recom-
used shall be a matter of agreement between the manufacturer
mendations issued by the World Trade Organization Technical
and the purchaser.
Barriers to Trade (TBT) Committee.
7. Rejection and Rehearing
2. Referenced Documents
7.1 Material that fails to conform to the requirements of this
2.1 ASTM Standards:
specification may be rejected. Rejection should be reported to
E29 Practice for Using Significant Digits in Test Data to
the producer or supplier promptly and in writing. In case of
dissatisfaction with the results of the test, the producer or
supplier may make claim for
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