NEN EN 15558 : 2009
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FERTILIZERS - DETERMINATION OF NITRIC AND AMMONIACAL NITROGEN ACCORDING TO ULSCH
Published date
12-01-2013
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Defines a method for the determination of nitrate and ammoniacal nitrogen with reduction according to Ulsch. Applies to all nitrogenous fertilizers, including compound fertilizers, in which nitrogen is found exclusively in nitrate form, or in ammoniacal and nitrate form.
| DevelopmentNote |
Supersedes NEN NPR CEN/TS 15558. (04/2009)
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| DocumentType |
Standard
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| PublisherName |
Netherlands Standards
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| Status |
Current
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| Supersedes |
| Standards | Relationship |
| EN 15558:2009 | Identical |
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