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  4. Standard "E DIN EN ISO 23697-2:2025-08"
Standard E DIN EN ISO 23697-2:2025-08 1.8.2025 preview

E DIN EN ISO 23697-2:2025-08 (Draft)

Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction.

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STANDARD published on 1.8.2025


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The information about the standard:

Designation standards: E DIN EN ISO 23697-2:2025-08
Publication date standards: 1.8.2025
SKU: NS-1226679
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: German technical standard (Draft)
Category: Technical standards DIN

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The category - similar standards:

Examination of water for chemical substances

Annotation of standard text E DIN EN ISO 23697-2:2025-08 :

Wasserbeschaffenheit - Bestimmung von Gesamt-Stickstoff (TNb) in Wasser mittels Küvetten - Teil 2: Verfahren mit Chromotropsäure.

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Latest update: 2025-09-10 (Number of items: 2 232 034)
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