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Norm
ÖNORM EN 13266
Issue date: 2002 02 01
Slow-release fertilizers - Determination of the release of the nutrients - Method for coated fertilizers
This European Standard specifies a method for the determination of the slow release properties of nutrients from
coated fertilizers. pH-dependent hydrolysis and degradat...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 12 Pages
Language:
German
| English
| Download GER/ENG
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ICS
This European Standard specifies a method for the determination of the slow release properties of nutrients from
coated fertilizers. pH-dependent hydrolysis and degradation by biological or microbial mechanisms are excluded.
The specified method is only applicable to products releasing any nutrients by means of a non-biological process
(i.e. those where the nutrients are released by a physical mechanism). Microbial attack on the coating (e.g. sulfur
coated fertilizers) and the consequences thereof are not measurable by the technique described.
This method involves a lengthy process which may not be appropriate for day to day testing purposes. Accelerated
methods may be used provided they are correlated with this standard. An example of such an accelerated method
is described in annex B. Regression analysis may also be used for this purpose.
ÖNORM EN 13266
2002 02 01
Slow-release fertilizers - Determination of the release of the nutrients - Method for coated fertili...
Norm
↖
Norm
ÖNORM EN 1482-1
Issue date :
2007 04 01
Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling
Norm
ÖNORM EN 1482-2
Issue date :
2007 04 01
Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
Norm
ÖNORM EN ISO 3696
Issue date :
1995 08 01
Water for analytical laboratory use - Specifications and test methods (ISO 3696:1987)