UNI CEN/TS 15750 : 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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FERTILIZERS - DETERMINATION OF TOTAL NITROGEN IN FERTILIZERS CONTAINING NITROGEN ONLY AS NITRIC, AMMONIACAL AND UREA NITROGEN BY TWO DIFFERENT METHODS
26-11-2009
01-01-2008
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling and sample preparation
6 Method A
7 Method B
8 Precision of methods A and B
9 Test report
Annex A (informative) - Statistical results
of the inter-laboratory tests
Bibliography
Describes two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method A specifies the titrimetric method after distillation according to ISO 5315:1984 [2] and Method B specifies a method by reduction of nitrate with iron and tin(II)-chloride.
| DocumentType |
Standard
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| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| CEN/TS 15750:2008 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 385:2005 | Laboratory glassware — Burettes |
| EN 1482-2:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 5315:1984 | Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation |
| EN ISO 3696:1995 | Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) |
| EN 1482-1:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling |
| EN ISO 385:2005 | Laboratory glassware - Burettes (ISO 385:2005) |
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