Norm

ISO 5318:1983 en

Fertilizers - Determination of potassium content - Potassium tetraphenylborate gravimetric method (Reference method)

  • Deze norm is ingetrokken sinds 30-07-2004

31,57

Over deze norm

Status Ingetrokken
Aantal pagina's 3
Commissie Meststoffen
Gepubliceerd op 01-12-1983
Taal Engels
The method consists in preparing of a test solution as specified in ISO 5317, precipitating of potassium ions by sodium tetraphenylborate in a weakly alkaline medium in the presence of disodium ethylenediaminetetraacetate dihydrate (EDTA, disodium salt) and formaldehyde, followed by filtrating of the precipitate, drying and weighing.

Details

ICS-code 65.080
Nederlandse titel Fertilizers - Determination of potassium content - Potassium tetraphenylborate gravimetric method (Reference method)
Engelse titel Fertilizers - Determination of potassium content - Potassium tetraphenylborate gravimetric method (Reference method)

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