Liming materials. Determination of calcium content and magnesium content. Complexometric method Ingestion-build-209208 BS 4790 on the effects

BS 4790 on the effects of a small source of ignition on textile floor coverings is useful for:

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Annex C (normative) Methods for the assessment of levels and surface regularity

yield significantly higher total fat contents when tested by procedure B than by procedure A

Liming materials. Determination of calcium content and magnesium content. Complexometric method Ingestion-build-209208 BS 4790 on the effects1 Scope This European Standard specifies a complexometric method for the determination of the calcium content and the magnesium content of liming materials. It is not applicable to products with a mass fraction less than 2 % (m m) magnesium or those with a mass fraction more than 1 % P2O5 and is not applicable to silicate liming materials.