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NF T51-821-2 ; NF EN ISO 23977-2:2021-11-10
Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: method by measuring the oxygen demand in closed respirometer
Edition
2021-11-10
NF S95-186-2-69 ; NF EN ISO 80601-2-69:2020-11-18
Medical electrical equipment - Part 2-69 : particular requirements for the basic safety and essential performance of oxygen concentrator equipment
Edition
2020-11-18
NF T51-801 ; NF EN ISO 14851:2019-04-10
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium - Method by measuring the oxygen demand in a closed respirometer
Edition
2019-04-10
NF T51-804 ; NF EN ISO 17556:2019-05-29
Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved
Edition
2019-05-29
NF T90-103-1 ; NF EN ISO 5815-1:2019-09-18
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: dilution and seeding method with allylthiourea addition
Edition
2019-09-18
NF T51-813 ; NF EN ISO 18830:2017-12-06
Plastics - Determination of aerobic biodegradation of non-floating plastic materials in a seawater/sandy sediment interface - Method by measuring the oxygen demand in closed respirometer
Edition
2017-12-06
NF M07-088 ; NF EN 1601:2017-08-09
Liquid petroleum products - Determination of organic oxygenate compounds and total organically bound oxygen content in unleaded petrol - Method by gas chromatography (O-FID)
Edition
2017-08-09
NF B42-001-3 ; NF EN 725-3:2007-08-01
Advanced technical ceramics - Methods of test for ceramic powders - Part 3: determination of the oxygen content of non-oxides by thermal extraction with a carrier gas
Edition
2007-08-01
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