NF ISO 2171

NF ISO 2171

December 2007
Standard Cancelled

Cereals, pulses and by-products - Determination of ash yield by incineration

ISO 2171:2007 specifies a method for determining the ash yielded by cereals, pulses and their milled products intended for human consumption. The source materials covered are: a) grains of cereals; b) flours and semolinas; c) milled products (bran and high bran content products, sharps); d) mixed cereal flours (mixes); e) cereal by-products other than milled products; and f) pulses and their by-products. ISO 2171:2007 is not applicable to starches and starch derivatives (see ISO 3593), to products intended for animal feeding stuffs (see ISO 5984), or to seeds.

Main informations

Collections

National standards and national normative documents

Publication date

December 2007

Number of pages

17 p.

Reference

NF ISO 2171

ICS Codes

67.060   Cereals, pulses and derived products

Classification index

V03-720

Print number

1 - 12/12/2007

International kinship

Sumary
Cereals, pulses and by-products - Determination of ash yield by incineration

ISO 2171:2007 specifies a method for determining the ash yielded by cereals, pulses and their milled products intended for human consumption. The source materials covered are: a) grains of cereals; b) flours and semolinas; c) milled products (bran and high bran content products, sharps); d) mixed cereal flours (mixes); e) cereal by-products other than milled products; and f) pulses and their by-products.

ISO 2171:2007 is not applicable to starches and starch derivatives (see ISO 3593), to products intended for animal feeding stuffs (see ISO 5984), or to seeds.

Replaced standards (2)
NF V03-720
December 1981
Standard Cancelled
Cereals and milled products. Determination of ash. Incineration method at 900 degrees C.

NF V03-760
December 1981
Standard Cancelled
Cereals, pulses and derived products. Determination of ash. Incineration method at 550 degrees Celsius.

Standard replaced by (1)
NF EN ISO 2171
June 2010
Standard Current
Cereals, pulses and by-products - Determination of ash yield by incineration

<p>ISO 2171:2007 specifies a method for determining the ash yielded by cereals, pulses and their milled products intended for human consumption. The source materials covered are: a) grains of cereals; b) flours and semolinas; c) milled products (bran and high bran content products, sharps); d) mixed cereal flours (mixes); e) cereal by-products other than milled products; and f) pulses and their by-products.</p> <p>ISO 2171:2007 is not applicable to starches and starch derivatives (see ISO 3593), to products intended for animal feeding stuffs (see ISO 5984), or to seeds.</p>

Table of contents
  • Avant-propos
    iv
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Principe
    2
  • 5 Réactifs
    2
  • 6 Appareillage
    2
  • 7 Échantillonnage
    3
  • 8 Préparation de l'échantillon pour essai
    3
  • 9 Mode opératoire
    3
  • 9.1 Détermination de la teneur en eau
    3
  • 9.2 Préparation des capsules à incinération
    3
  • 9.3 Préparation de la prise d'essai
    4
  • 9.4 Préincinération
    4
  • 9.5 Incinération
    4
  • 9.6 Nombre de déterminations
    4
  • 10 Expression des résultats
    5
  • 11 Fidélité
    5
  • 11.1 Essais interlaboratoires
    5
  • 11.2 Répétabilité
    5
  • 11.3 Reproductibilité
    6
  • 11.4 Différence critique
    6
  • 11.5 Incertitude
    6
  • 12 Rapport d'essai
    7
  • Annexe A (informative) Résultats des essais interlaboratoires
    8
  • Annexe B (informative) Application pratique des limites de répétabilité et de reproductibilité
    10
  • Bibliographie
    11
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