ISO 5314:1981
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Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
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English, French
01-05-1981
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The method consists in distilling of the ammonia from an alkaline solution, absorbing in an excess of standard volumetric sulphuric acid solution and back-titrating with standard volumetric sodium hydroxide solution. It is applicable only in the absence of urea or its derivatives, of cyanamide and of organic nitrogenous compounds.
| Committee |
ISO/TC 134
|
| DevelopmentNote |
Also numbered as BS 5551-4.1.2(1982). (08/2005)
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| BIS IS 6092-2-4 : 2004 | Identical |
| PN ISO 5314 : 1994 | Identical |
| IS 6092 : Part 2 : Sec 4 : 2004(R2014) | Identical |
| NFU 42 117 : 1965 | Similar to |
| BS 4267-0:1987 | Ammonium nitrate General introduction |
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