ISO-15181-2 Paints and varnishes - Determination of release rate of biocides from antifouling paints - Part 2: Determination of copper-ion concentration in the extract and calculation of the release rate

ISO-15181-2 - 2ND EDITION - CURRENT
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ISO 15181-2:2007 specifies the apparatus and analytical method for determining the amount of copper (based) biocide that has been released from an antifouling paint into artificial seawater in accordance with the procedure given in ISO 15181-1.

It determines the copper-ion concentration and gives the final calculation for the release rate of copper under the specified laboratory conditions. It is designed to generally allow the concurrent determination of copper ions and other biocides that might be released by a given antifouling paint through the analysis of separate sub-samples of an artificial seawater extract generated in accordance with the procedure given in ISO 15181-1, and analysed in accordance with the procedures given in other parts of this International Standard.

When used in conjunction with ISO 15181-1, the practical limits on the quantitative measurement of release rates by this method are from 1,8 micrograms per square centimetre per day to 500 micrograms per square centimetre per day. The quantitative measurement of release rates below this range will require the use of an analytical method with a lower limit of quantitation for copper.

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87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)

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Document Number

ISO 15181-2:2007

Revision Level

2ND EDITION

Status

Current

Publication Date

June 1, 2007

Committee Number

ISO/TC 35/SC 9