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DIN
DIN EN ISO 23697-1:2025-08
En Vigor
2025-08-01
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 / Note: Date of issue 2025-07-11
DIN
DIN EN 161:2025-08
En Vigor
2025-08-01
Automatic shut-off valves for gas burners and gas appliances; German
version EN 161:2022+A1:2025 / Note: DIN EN 161 (2024-02) remains valid
alongside this standard until 2028-04-30.
DIN
DIN EN ISO 5667-15:2025-08
En Vigor
2025-08-01
Water quality - Sampling - Part 15: Preservation and handling of samples
of sludge, sediment and suspended matter (ISO/DIS 5667-15:2025); German
and English version prEN ISO 5667-15:2025 / Note: Date of issue
2025-07-04*Intended as replacement for DIN EN ISO 5667-15 (2010-01).
DIN
DIN EN ISO 11816-2:2025-08
En Vigor
2025-08-01
Milk and milk products - Determination of alkaline phosphatase activity
- Part 2: Fluorimetric method for cheese (ISO 11816-2:2024); German
version EN ISO 11816-2:2024
