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DIN

DIN EN ISO 23697-1 (DRAFT) : 2025

Water quality - Determination of total bound nitrogen (ST-TN<(Index)b>) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023); German and English version prEN ISO 23697-1:2025

General Information

Status : ACTIVE
Standard Type: Main
Document No: DIN EN ISO 23697-1 (DRAFT) : 2025
Document Year: 2025
  • ICS:
  • 13.060.50 Examination of water for chemical substances

Life Cycle

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DIN EN ISO 23697-1 (DRAFT) : 2025
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