XP CEN/TS 16198
XP CEN/TS 16198

XP CEN/TS 16198

December 2011
Standard Cancelled

Fertilizers - Determination of magnesium by complexometry

Le présent document spécifie une méthode de dosage du magnésium dans les extraits d'échantillons d'engrais.

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Main informations

Collections

National standards and national normative documents

Publication date

December 2011

Number of pages

14 p.

Reference

XP CEN/TS 16198

ICS Codes

65.080   Fertilizers

Classification index

U42-195

Print number

1 - janvier 2012

European kinship

CEN/TS 16198:2011
Sumary
Fertilizers - Determination of magnesium by complexometry

Le présent document spécifie une méthode de dosage du magnésium dans les extraits d'échantillons d'engrais.
Standard replaced by (1)
NF EN 16198
NF EN 16198
January 2013
Standard Current
Fertilizers - Determination of magnesium by complexometry

Le présent document spécifie une méthode de dosage du magnésium, par complexométrie, dans les extraits d'échantillons d'engrais.

Table of contents
  • Avant-propos
    3
  • 1 Domaine d'application
    4
  • 2 Références normatives
    4
  • 3 Termes et définitions
    4
  • 4 Principe
    4
  • 5 Échantillonnage
    5
  • 6 Réactifs
    5
  • 7 Appareillage
    6
  • 8 Préparation de la solution d'extraction
    6
  • 9 Mode opératoire
    7
  • 9.1 Essai de contrôle
    7
  • 9.2 Échantillons aliquotes à prélever
    7
  • 9.3 Titrage en présence de noir Eriochrome T
    7
  • 9.4 Titrage en présence de calcéine ou d'acide calcone carbonique
    7
  • 10 Calcul et expression du résultat
    7
  • 11 Remarques
    8
  • 12 Fidélité
    8
  • 12.1 Essai interlaboratoires
    8
  • 12.2 Répétabilité
    8
  • 12.3 Reproductibilité
    8
  • 13 Rapport d'essai
    9
  • Annexe A (informative) Résultats statistiques de l'essai interlaboratoires
    10
  • Bibliographie
    12
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