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Paints and varnishes. Evaluation of defects on coated surfaces using optical imaging. General guidance. Original standard BS EN ISO 21227-1-2003 in PDF full version. Additional info + preview on request
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Paints and varnishes. Evaluation of defects on coated surfaces using optical imaging. Evaluation procedure for multi-impact stone-chipping test. Original standard BS EN ISO 21227-2-2006 (2007) in PDF full version. Additional info + preview on request
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Paints and varnishes. Evaluation of defects on coated surfaces using optical imaging. Evaluation of delamination and corrosion around a scribe. Original standard BS EN ISO 21227-3-2007 in PDF full version. Additional info + preview on request
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Paints and varnishes. Evaluation of defects on coated surfaces using optical imaging. Evaluation of filiform corrosion. Original standard BS EN ISO 21227-4-2008 in PDF full version. Additional info + preview on request
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Water quality. Multi-compound class methods. Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry. Original standard BS EN ISO 21253-1-2019 in PDF full version. Additional info + preview on request
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Water quality. Multi-compound class methods. Criteria for the quantitative determination of organic substances using a multi-compound class analytical method. Original standard BS EN ISO 21253-2-2019 in PDF full version. Additional info + preview on request
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