Showing 1–12 of 24 results
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Proficiency Testing (PT): Chemical parameters in natural waters (Round February 2023)
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Proficiency Testing (PT): Chemical parameters in natural waters (Round May 2023)
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Proficiency Testing (PT): Chemical parameters in natural waters (Round September 2023)
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Proficiency Testing (PT): Chemical parameters in wastewater (Round February 2023)
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Proficiency Testing (PT): Chemical parameters in wastewater (Round May 2023)
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Proficiency Testing (PT): Chemical parameters in wastewater (Round September 2023)
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Proficiency Testing (PT): Hidrocarbon oil index according to standard ISO 9377-2 (Round April 2023)
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Proficiency Testing (PT): Hidrocarbon oil index according to standard ISO 9377-2 (Round November 2023)