BS EN ISO 15181-3:2007
Current
The latest, up-to-date edition.
Paints and varnishes. Determination of release rate of biocides from antifouling paints Calculation of the zinc ethylene-bis (dithiocarbamate)(zineb) release rate by determination of the concentration of ethylenethiourea in the extract
Hardcopy , PDF
English
28-09-2007
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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Supplementary information required for the zineb
extraction procedure
5 Apparatus
6 Reagents and materials
7 Test samples
8 Procedure
9 Calculation and expression of results
10 Validation of the method
11 Test report
Annex A (normative) Supplementary information required for
the zineb extraction procedure
Annex B (informative) Additional information on zineb and ETU
Bibliography
Specifies the apparatus and analytical method for determining the amount of zineb that has been released from an antifouling paint into artificial seawater in accordance with the procedure given in ISO 15181-1.
| Committee |
STI/10
|
| DevelopmentNote |
Also numbered as BS 3900-K3(2007). (09/2007) Supersedes 05/30109753 DC. (10/2007)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO15181 specifies the apparatus and analytical method for determining the amount of zineb that has been released from an antifouling paint into artificial seawater in accordance with the procedure given in ISO15181-1.
Zineb is released from antifouling paints in the form of ionic ethylene-bis(dithiocarbamate) which is unstable in the marine environment. This part of ISO15181 describes a method for converting the released species into a stable degradation product, ethylenethiourea, and determining its concentration in the treated artificial seawater samples, and gives the final calculation for the release rate of zineb under the specified laboratory conditions.
This part of ISO15181 is designed to generally allow the concurrent determination of zineb and other biocides that can be released by a given antifouling paint (for example, copper) through the analysis of separate sub-samples of an artificial seawater extract generated in accordance with the procedure given in ISO15181-1.
When used in conjunction with ISO15181-1, the practical limits on the quantitative measurement of release rates by this method are from 2,9µg·cm–2·d–1 to 500µg·cm–2·d–1. The quantitative measurement of release rates below this range will require the use of an analytical method with a lower limit of quantitation for ethylenethiourea in artificial seawater than the limit specified in 5.1.
| Standards | Relationship |
| I.S. EN ISO 15181-3:2007 | Identical |
| ISO 15181-3:2007 | Identical |
| NF EN ISO 15181-3 : 2007 | Identical |
| DIN EN ISO 15181-3:2007-10 | Identical |
| UNE-EN ISO 15181-3:2008 | Identical |
| EN ISO 15181-3:2007 | Identical |
| SN EN ISO 15181-3:2007 | Identical |
| NBN EN ISO 15181-3 : 2007 | Identical |
| UNI EN ISO 15181-3 : 2008 | Identical |
| NS EN ISO 15181-3 : 1ED 2007 | Identical |
| NEN EN ISO 15181-3 : 2007 | Identical |
| ISO 15181-1:2007 | Paints and varnishes — Determination of release rate of biocides from antifouling paints — Part 1: General method for extraction of biocides |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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