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BVL L 59.11-13
Analysis of food products; determination of ammonia nitrogen content of natural mineral water
Edition
1985-12
VDI 3794 Blatt 2
Determination of depositon fluxes of ambient air pollutants - Determination of the deposition flux of ammonia and ammonium compounds by means of the IRMA method
Edition
2013-07
ISO 5664
Water quality; Determination of ammonium; Distillation and titration method
Edition
1984-05
ISO 6778
Water quality; Determination of ammonium; Potentiometric method
Edition
1984-06
ISO 7105
Liquefied anhydrous ammonia for industrial use; Determination of water content; Karl Fischer method
Edition
1985-06
ISO 7106
Liquefied anhydrous ammonia for industrial use; Determination of oil content; Gravimetric and infra-red spectrometric methods
Edition
1985-06
ISO 7150-1
Water quality; Determination of ammonium; Part 1 : Manual spectrometric method
Edition
1984-06
ISO 7529
Nickel alloys - Determination of chromium content - Potentiometric titration method with ammonium iron(II) sulfate
Edition
2017-10
ISO 8192
Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation
Edition
2007-02
ISO 14255
Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
Edition
1998-05
