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Water quality routine

Water quality routine, Total:4 items.

In the international standard classification, Water quality routine involves: .

German Institute for Standardization, Water quality routine

• DIN EN 17899:2022 Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality; German and English version prEN 17899:2022
• DIN EN 17899:2022-10 Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality; German and English version prEN 17899:2022 / Note: Date of issue 2022-09-09

British Standards Institution (BSI), Water quality routine

• 22/30457249 DC BS EN 17899. Water quality. Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality

BE-NBN, Water quality routine

• NBN T 61-203-1973 Admlxtures for mortar and concrete— Conventlonal détermination of marier insoluble in water

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