ISO 5983-1:2005
Current
Current
The latest, up-to-date edition.
Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1: Kjeldahl method
Amended by
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Published date
30-06-2005
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ISO 5983-1:2005 specifies a method for the determination of the nitrogen content of animal feeding stuffs by the Kjeldahl process, and a method for the calculation of the crude protein content.
The method does not measure oxidized forms of nitrogen or heterocyclic nitrogen compounds.
This method does not distinguish between protein nitrogen and non-protein nitrogen. If it is important to determine the content of non-protein nitrogen, an appropriate method should be used.
| Committee |
ISO/TC 34/SC 10
|
| DevelopmentNote |
Supersedes ISO/DIS 5983-1. Together with ISO 5983-2, supersedes ISO 5983 (07/2005)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NBN EN ISO 5983-1 : 2005 COR 2009 | Identical |
| NEN EN ISO 5983-1 : 2005 C1 2009 | Identical |
| NS EN ISO 5983-1 : 2005 AC 2009 | Identical |
| I.S. EN ISO 5983-1:2005 | Identical |
| PN EN ISO 5983-1 : 2006 | Identical |
| SN EN ISO 5983-1 : 2005 CORR 2009 | Identical |
| UNI EN ISO 5983-1 : 2005 | Identical |
| SS-EN ISO 5983-1:2006 | Identical |
| BIS IS/ISO 5983-1 : 2005 | Identical |
| BS EN ISO 5983-1:2005 | Identical |
| UNE-EN ISO 5983-1:2007 | Identical |
| NF EN ISO 5983-1 : 2005 | Identical |
| DIN EN ISO 5983-1:2005-10 | Identical |
| UNE-EN ISO 5983-1:2005 | Identical |
| UNE-EN ISO 14244:2017 | Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014) |
| UNI EN ISO 16634-1 : 2009 | FOOD PRODUCTS - DETERMINATION OF THE TOTAL NITROGEN CONTENT BY COMBUSTION ACCORDING TO THE DUMAS PRINCIPLE AND CALCULATION OF THE CRUDE PROTEIN CONTENT - PART 1: OILSEEDS AND ANIMAL FEEDING STUFFS |
| DIN EN ISO 16634-1:2009-07 | FOOD PRODUCTS - DETERMINATION OF THE TOTAL NITROGEN CONTENT BY COMBUSTION ACCORDING TO THE DUMAS PRINCIPLE AND CALCULATION OF THE CRUDE PROTEIN CONTENT - PART 1: OILSEEDS AND ANIMAL FEEDING STUFFS |
| BS ISO 14244 : 2014 | OILSEED MEALS - DETERMINATION OF SOLUBLE PROTEINS IN POTASSIUM HYDROXIDE SOLUTION |
| 07/30142476 DC : 0 | BS ISO 1871 - FOOD PRODUCTS - GENERAL GUIDELINES FOR THE DETERMINATION OF NITROGEN BY KJEDAHL METHOD |
| PREN ISO 20483 : DRAFT 2012 | CEREALS AND PULSES - DETERMINATION OF THE NITROGEN CONTENT AND CALCULATION OF THE CRUDE PROTEIN CONTENT - KJELDAHL METHOD (ISO/DIS 20483:2012) |
| DIN EN ISO 20483:2014-03 | CEREALS AND PULSES - DETERMINATION OF THE NITROGEN CONTENT AND CALCULATION OF THE CRUDE PROTEIN CONTENT - KJELDAHL METHOD (ISO 20483:2013) |
| I.S. EN ISO 20483:2013 | CEREALS AND PULSES - DETERMINATION OF THE NITROGEN CONTENT AND CALCULATION OF THE CRUDE PROTEIN CONTENT - KJELDAHL METHOD (ISO 20483:2013) |
| I.S. EN ISO 5983-2:2009 | ANIMAL FEEDING STUFFS - DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT - PART 2: BLOCK DIGESTION AND STEAM DISTILLATION METHOD |
| BS ISO 1871:2009 | Food and feed products. General guidelines for determination of nitrogen by Kjeldahl method |
| UNI EN ISO 5983-2 : 2009 | ANIMAL FEEDING STUFFS - DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT - PART 2: BLOCK DIGESTION AND STEAM DISTILLATION METHOD |
| UNI EN ISO 20483 : 2014 | CEREALS AND PULSES - DETERMINATION OF THE NITROGEN CONTENT AND CALCULATION OF THE CRUDE PROTEIN CONTENT - KJELDAHL METHOD |
| 12/30251275 DC : 0 | BS EN ISO 20483 - CEREALS AND PULSES - DETERMINATION OF THE NITROGEN CONTENT AND CALCULATION OF THE CRUDE PROTEIN CONTENT - KJELDAHL METHOD |
| BS EN ISO 16634-1:2008 | Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content Oilseeds and animal feeding stuffs |
| UNE-EN ISO 20483:2014 | Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013) |
| BS EN ISO 20483:2013 | Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method |
| ISO 14244:2014 | Oilseed meals — Determination of soluble proteins in potassium hydroxide solution |
| BS EN ISO 5983-2:2009 | Animal feeding stuffs. Determination of nitrogen content and calculation of crude protein content Block digestion and steam distillation method |
| ISO 16634-1:2008 | Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content — Part 1: Oilseeds and animal feeding stuffs |
| ISO 5983-2:2009 | Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 2: Block digestion and steam distillation method |
| ISO 20483:2013 | Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method |
| EN ISO 16634-1:2008 | Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008) |
| EN ISO 20483:2013 | Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013) |
| EN ISO 5983-2:2009 | Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009) |
| EN ISO 14244:2016 | Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014) |
| ISO 1871:2009 | Food and feed products General guidelines for the determination of nitrogen by the Kjeldahl method |
| I.S. EN ISO 16634-1:2008 | FOOD PRODUCTS - DETERMINATION OF THE TOTAL NITROGEN CONTENT BY COMBUSTION ACCORDING TO THE DUMAS PRINCIPLE AND CALCULATION OF THE CRUDE PROTEIN CONTENT - PART 1: OILSEEDS AND ANIMAL FEEDING STUFFS |
| DIN EN ISO 5983-2:2009-10 | ANIMAL FEEDING STUFFS - DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT - PART 2: BLOCK DIGESTION AND STEAM DISTILLATION METHOD |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 1871:2009 | Food and feed products General guidelines for the determination of nitrogen by the Kjeldahl method |
| ISO 6497:2002 | Animal feeding stuffs Sampling |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| ISO 6498:2012 | Animal feeding stuffs — Guidelines for sample preparation |
| ISO 5725:1986 | Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests |
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