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ASTM-E1659:2005 Edition

ASTM-E1659:2005 Edition

$40.63

E1659-05 Standard Test Methods Coating Weight and Chemical Analysis of Zinc-Nickel Alloy Electrolytically Coated on Steel Sheet

Published By Publication Date Number of Pages
ASTM 2005 7
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1.1 These test methods cover independently the chemical analysis of each surface of zinc-nickel alloy electrolytically coated on steel sheet. The coatings have chemical compositions within the following limits:

1.2 These test methods are in the following sections:

1.3 The values stated in SI units are to be regarded as standard. In some cases, exceptions allowed in Practice E 380 are also used.

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.

1.4 This test method provides a procedure for determining independently the weight of coating on each surface of zinc-nickel alloy-coated sheet steel, in coating masses from 20 to 45 g/m 2 (Note 0).

Note 0

The upper limit of the scope has been set at 45 g/m 2 because test materials with higher coating weight were not available for testing in accordance with Practice E 173. However, recognizing the simplicity of the weigh-strip-weigh technique, materials with higher coating weights can be tested following this procedure. Users of this test method are cautioned that use of it for coating weight determinations above 45 g/m 2 is not supported by interlaboratory testing.

1.5 This test method covers the determination of nickel in concentrations from 11.0 to 13.5 % in zinc-nickel coatings ().

Note 2

The upper limit of the scope has been set at 13.5 % because sufficient test materials containing higher nickel were unavailable in accordance with Practice E 173. However, recognizing the calibration technique of atomic absorption spectrophotometer, materials with higher nickel content may be tested following this procedure. Users of this test method are cautioned that use of it for nickel determination out of the scope is not supported by the interlaboratory testing.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Significance and Use
2 Apparatus, Reagents, and Instrumental Practices
Safety Hazards
Sampling
Interlaboratory Studies and Rounding Calculated Values
Interlaboratory Studies
Scope
TABLE 1
TABLE 2
TABLE 3
3 Summary of Test Method
Interferences
Apparatus
Reagents
Precautions
Sample Preparation
Procedure
TABLE 4
4 Calculation
Report
Precision and Bias
TABLE 5
5 Scope
Summary of Test Method
Concentration Range
Interferences
Apparatus
Reagents
Instrument Performance and Linearity Check
6 Procedure
Calculation
Report
Precision and Bias
Keywords
TABLE 6

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