157 Ash Determination by Conductivity

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Methods Type: Generic Methods
Key data
Number: 157
Analyte:Ash
Matrix: Sifted Wheat Flour and Ground Wheatmeal
Year of Approval: 1995
Scope: The method is applicable to sifted wheat flour and ground wheatmeal.

Definition

The ash content of a flour is determined by measuring electrical conductivity on flour extracts, using the model "log (ash) = A + B log (conductivity)". A and B are calculated on a basis of pre-determined ash and conductivity values of a range of flours, using a specific conductivity equipment.

 

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