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OENORM EN 14671
Characterization of sludges - Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride
Edition
2006-09-01
OENORM EN ISO 172
Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978)
Edition
1998-10-01
OENORM EN ISO 9455-9
Soft soldering fluxes - Test methods - Part 9: Determination of ammonia content (ISO 9455-9:2020)
Edition
2021-04-15
OENORM EN ISO 120
Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Colorimetric comparison method (ISO 120:1977)
Edition
1998-10-01
OENORM EN ISO 2612
Analysis of natural gas - Biomethane - Determination of ammonia content by Tuneable Diode Laser Absorption Spectroscopy (ISO 2612:2023)
Edition
2024-06-15
ONR CEN/TS 16177
Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite (CEN/TS 16177:2012)
Edition
2012-04-01
Hygieneschulung
Kommentar zu DIN 10514
Edition
2010-03
Abwärmepotentiale in der Industrie
Konzepte zur Nutzung im Mittel- und Niedrigtemperaturbereich
Edition
2022-01
DIN-DVS-Taschenbuch 196
Schweißtechnik 5 - Hart- und Weichlöten
Edition
2023-05
Kautschuk und Elastomere
Physikalische und chemische Prüfverfahren
Edition
2024-02
