ISO 2171:2023 PDF

Scope: 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.

ISO 2171:2023 Referenced Document

ISO 24557 Pulses - Determination of moisture content - Air-oven method
ISO 6540 Maize - Determination of moisture content (on milled grains and on whole grains)
ISO 712 Cereals and cereal products - Determination of moisture content - Reference method

2023 ISO 2171:2023 Cereals, pulses and by-products — Determination of ash yield by incineration
2007 ISO 2171:2007 Cereals, pulses and by-products - Determination of ash yield by incineration
1993 ISO 2171:1993 Cereals and milled cereal products; determination of total ash
1980 ISO 2171:1980 Cereals, pulses and derived products — Determination of ash