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DIN EN IEC 60567
Oil-filled electrical equipment - Sampling of free gases and analysis of free and dissolved gases in mineral oils and other insulating liquids - Guidance (IEC 60567:2023); German version EN IEC 60567:2024
DIN EN ISO 18724
Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO/DIS 18724:2024); German and English version prEN ISO 18724:2024
DIN EN ISO 20236
Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO/DIS 20236:2023); German and English version prEN ISO 20236:2023
FprEN ISO 20236
Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO/FDIS 20236:2024)
ISO/DIS 18724
Water quality - Determination of dissolved chromium(VI) in water - Photometric method
ISO/FDIS 20236
Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
NA 119-01-03-01-21 AK -dormant
Measurement of dissolved oxygen (ISO/TC 147/SC 2/WG 62)
prEN ISO 18724
Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO/DIS 18724:2024)
DIN EN ISO 10705-3
Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003); German and English version prEN ISO 10705-3:2024
prEN 13650 rev
Soil improvers and growing media - Extraction of aqua regia soluble elements
