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NF P16-700-15 ; NF EN 12255-15:2004-04-01
Wastewater treatment plants - Part 15: measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
Edition
2004-04-01
NF T90-103-2 ; NF EN 1899-2:1998-05-01
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 2: method for undiluted samples
Edition
1998-05-01
NF T90-321 ; NF EN ISO 10707:1998-04-01
"Water quality. Evaluation in an aqueous medium of the ""ultimate"" aerobic biodegrability of organic compounds. Method by analysis of biochemical oxygen demand (closed bottle test)."
Edition
1998-04-01
NF T90-309 ; NF EN ISO 9408:1999-10-01
Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer
Edition
1999-10-01
NF M07-054 ; NF EN 13132:2000-04-01
Liquid petroleum products - Unleaded petrol - Determination of organic oxygenate compounds and total organically bound oxygen content by gas chromatography using column switching
Edition
2000-04-01
NF M62-210
Limiting enclosures. Method of control of the leak rate per hour. Enclosures of classes 1 and 2. Method of measurement of the increase of the oxygen titre in volume
Edition
1984-07-01
NF H60-148 ; NF EN 14048:2003-04-01
Packaging - Determination of the ultimate aerobic biodegradability of packaging materials in an aqueous medium - Method by measuring the oxygen demand in a closed respirometer
Edition
2003-04-01
NF A06-392-2 ; NF EN 10276-2:2003-11-01
Chemical analysis of ferrous materials - Determination of oxygen content in steel and iron - Part 2: infrared method after fusion under inert gas
Edition
2003-11-01
NF C46-251-2 ; NF EN IEC 61207-2:2019-08-30
Expression of performance of gas analyzers - Part 2: measuring oxygen in gas utilizing high-temperature electrochemical sensors
Edition
2019-08-30
NF C23-596 ; NF EN 50402:2017-06-10
Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of gas detection systems
Edition
2017-06-10