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ISO/AWI 25096
Cryogenic storage systems with automated nitrogen supply systems - Design, installation, and testing of Cryogenic Pipeline Systems
NA 134-03-01-02 UA
Nitrogen oxides
NA 119-01-03-01-09 AK -dormant
Total bound nitrogen
ISO/TC 132/SG 1
Vanadium-nitrogen - Specification and conditions of delivery
ISO/TC 27/SC 5/WG 2
Carbon, hydrogen, nitrogen, oxygen and sulfur
NA 119-01-03-01-30 AK -dormant
Nitrogen parameters using cell tests
00454017
Algae and algae products - Nitrogen content measurement and protein content calculation for micro- and microalgae
DIN EN 00454017
Algae and algae products - Nitrogen content measurement and protein content calculation for micro- and microalgae
ISO/CD 19615
Meat and fish products - Determination of volatile basic nitrogen - Semi-micro nitrogen determination method
EN 14211
Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence