ISO 5983-2:2009
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The latest, up-to-date edition.
Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 2: Block digestion and steam distillation method
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Language(s)
English, French, Russian
Published date
05-26-2009
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ISO 5983-2:2009 specifies a method for the determination of nitrogen content of animal feeding stuffs according to the Kjeldahl method, and a method for the calculation of the crude protein content.
It is suitable for use as a semi-micro rapid routine method using block digestion, copper catalyst, and steam distillation into boric acid.
The method is applicable to the determination of greater than 0,5 % mass fraction Kjeldahl nitrogen in animal feeding stuffs, pet foods, and their raw materials.
The method does not measure oxidized forms of nitrogen nor heterocyclic nitrogen compounds.
The method does not distinguish between protein nitrogen and non-protein nitrogen.
| Committee |
ISO/TC 34/SC 10
|
| DevelopmentNote |
Together with ISO 5983-1, supersedes ISO 5983 (07/2005) Supersedes ISO/DIS 5983-2. (05/2009)
|
| DocumentType |
Standard
|
| Pages |
15
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN EN ISO 5983-2:2009-10 | Identical |
| NBN EN ISO 5983-2 : 2009 | Identical |
| NEN EN ISO 5983-2 : 2009 | Identical |
| NS EN ISO 5983-2 : 2009 | Identical |
| I.S. EN ISO 5983-2:2009 | Identical |
| PN EN ISO 5983-2 : 2009 | Identical |
| SN EN ISO 5983-2:2009 | Identical |
| UNI EN ISO 5983-2 : 2009 | Identical |
| SS-EN ISO 5983-2:2009 | Identical |
| BS EN ISO 5983-2:2009 | Identical |
| UNE-EN ISO 5983-2:2009 | Identical |
| EN ISO 5983-2:2009 | Identical |
| NF EN ISO 5983-2 : 2009 | Identical |
| 14/30301619 DC : 0 | BS EN 15948 - CEREALS - DETERMINATION OF MOISTURE AND PROTEIN - METHOD USING NEAR-INFRARED-SPECTROSCOPY IN WHOLE KERNELS |
| BS EN ISO 12099:2017 | Animal feeding stuffs, cereals and milled cereal products. Guidelines for the application of near infrared spectrometry |
| 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 |
| EN ISO 12099:2017 | Animal feeding stuffs, cereals and milled cereal products - Guidelines for the application of near infrared spectrometry (ISO 12099:2017) |
| DIN EN 15948:2015-06 | CEREALS - DETERMINATION OF MOISTURE AND PROTEIN - METHOD USING NEAR-INFRARED-SPECTROSCOPY IN WHOLE KERNELS |
| IS 14702 : 2022 | Solvent Extracted Undecorticated Sunflower Oilcake as Livestock Feed Ingredient-Specification |
| UNI EN ISO 12099 : 2010 | ANIMAL FEEDING STUFFS, CEREALS AND MILLED CEREAL PRODUCTS - GUIDELINES FOR THE APPLICATION OF NEAR INFRARED SPECTROMETRY |
| UNE-EN 15948:2015 | Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels |
| 16/30329601 DC : 0 | BS EN ISO 12099 - ANIMAL FEEDING STUFFS, CEREALS AND MILLED CEREAL PRODUCTS - GUIDELINES FOR THE APPLICATION OF NEAR INFRARED SPECTROMETRY |
| ISO 12099:2017 | Animal feeding stuffs, cereals and milled cereal products — Guidelines for the application of near infrared spectrometry |
| EN 15948:2015 | Cereals - Determination of moisture and protein - Method using Near-Infrared-Spectroscopy in whole kernels |
| I.S. EN 15948:2015 | CEREALS - DETERMINATION OF MOISTURE AND PROTEIN - METHOD USING NEAR-INFRARED-SPECTROSCOPY IN WHOLE KERNELS |
| BS EN 15948:2015 | Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels |
| 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 |
| ISO 14244:2014 | Oilseed meals — Determination of soluble proteins in potassium hydroxide solution |
| 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 |
| 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 14244:2016 | Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014) |
| 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 |
| I.S. EN ISO 12099:2017 | ANIMAL FEEDING STUFFS, CEREALS AND MILLED CEREAL PRODUCTS - GUIDELINES FOR THE APPLICATION OF NEAR INFRARED SPECTROMETRY (ISO 12099:2017) |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 8655-5:2002 | Piston-operated volumetric apparatus Part 5: Dispensers |
| ISO 1871:2009 | Food and feed products General guidelines for the determination of nitrogen by the Kjeldahl method |
| ISO 5983-1:2005 | Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1: Kjeldahl method |
| ISO 385:2005 | Laboratory glassware — Burettes |
| ISO 6497:2002 | Animal feeding stuffs Sampling |
| ISO 8655-2:2002 | Piston-operated volumetric apparatus Part 2: Piston pipettes |
| 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 8655-3:2002 | Piston-operated volumetric apparatus Part 3: Piston burettes |
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