ASTM International - ASTM D6442-06(2012)

Standard Test Method for Determination of Copper Release Rate From Antifouling Coatings in Substitute Ocean Water

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Organization: ASTM International
Publication Date: 1 June 2012
Status: active
Page Count: 10
ICS Code (Paints and varnishes): 87.040
significance And Use:

4.1 This test method is designed to provide a laboratory procedure to quantify and characterize the release rates of copper from antifouling coatings in substitute ocean water over a period of... View More

scope:

1.1 This test method covers the laboratory determination of the rate at which copper is released from an antifouling (AF) coating in substitute ocean water. The practical limits for quantifying copper release rates by this method are from 1.8 to 500 μg cm-2d-1. This range may be extended to 0.2 to 500 μg cm-2d-1 if the analytical procedure described in Appendix X1 is followed.

Note 1-The term "substitute ocean water" is used throughout this standard to refer to artificial or synthetic seawater prepared in accordance with Practice D1141.

1.2 The procedure contains the preparation steps for the release rate determination of copper from antifouling paints including apparatus, reagents, holding tank conditions, and sampling point details. Analysis for the concentration of copper in substitute ocean water requires the accurate determination of copper at the low parts μg L-1 (parts per billion, ppb) level. To detect and correct for reagent impurities, acceptable analytical precision standards are necessary. Therefore, the limit of quantitation (LOQ) for copper in substitute ocean water for the analytical method shall be 10 μg L-1 (10 ppb) or less. The procedure for determining the LOQ for copper in substitute ocean water for the analytical method is found in Annex A2.

1.3 A suitable method is described in Appendix X1 (graphite furnace atomic absorption spectroscopy, GF-AAS). Other analytical methods may be utilized with relevant procedural changes, as needed, to accommodate selected specific methods. Such methods must meet the limit of quantitation for copper in substitute ocean water of 10 μg L-1 (10 ppb) or less. See 1.2.

1.4 This results of this test method do not reflect environmental copper release rates for antifouling products, and are not suitable for direct use in the process of generating environmental risk assessments, environmental loading estimates, or for establishing release rate limits for regulatory purposes. See also Section 4 on Significance and Use.

1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.6 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 practices and to determine the applicability of regulatory limits prior to use. For specific hazard statements, see Section 7.

Document History

ASTM D6442-06(2012)
June 1, 2012
Standard Test Method for Determination of Copper Release Rate From Antifouling Coatings in Substitute Ocean Water
1.1 This test method covers the laboratory determination of the rate at which copper is released from an antifouling (AF) coating in substitute ocean water. The practical limits for quantifying...
June 1, 2006
Standard Test Method for Determination of Copper Release Rate From Antifouling Coatings in Substitute Ocean Water
1.1 This test method covers the laboratory determination of the rate at which copper is released from an antifouling (AF) coating in substitute ocean water. The practical limits for quantifying...
July 1, 2005
Standard Test Method for Determination of Copper Release Rate From Antifouling Coatings in Substitute Ocean Water
1.1 This test method covers the laboratory determination of the rate at which copper is released from an antifouling coating in substitute ocean water. The practical limits for quantifying copper...
May 10, 2003
Standard Test Method for Determination of Copper Release Rate From Antifouling Coating Systems in Artificial Seawater
1.1 This test method covers the laboratory determination of the rate at which copper is released from an antifouling coating in synthetic seawater using graphite furnace atomic absorption...
December 10, 1999
Standard Test Method for Copper Release Rates of Antifouling Coating Systems in Seawater
1.1 This test method covers the laboratory determination of the rate at which copper is released from an antifouling coating in synthetic seawater using graphite furnace atomic absorption...
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