NF EN ISO 2171

NF EN ISO 2171

June 2010
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.

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Collections

National standards and national normative documents

Publication date

June 2010

Number of pages

17 p.

Reference

NF EN ISO 2171

ICS Codes

67.060   Cereals, pulses and derived products

Classification index

V03-720

Print number

1 - 22/06/2010

International kinship

ISO 2171:2007

European kinship

EN ISO 2171:2010
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 (1)
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.

Standard replaced by (1)
NF EN ISO 2171
March 2023
Standard Current
Cereals, pulses and by-products - Determination of ash yield by incineration

This document specifies a method for determining the ash yield by cereals, pulses and their milled products intended for human consumption. The source materials and products covered are: a)    grains of cereals; b)    flours and semolinas; c)     other milling products (bran and high bran content products, shorts); d)    mixed cereal flours (mixes); e)    cereal by-products other than c) (such as wheat gluten, maize grits, broken rice kernels); f)     pulses and their by-products (flour). This document does not apply to starches and starch derivatives (see ISO 3593), to products intended for animal feeding stuffs (see ISO 5984) or to seeds.

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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