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Back to AOCS Official Method Da 20b-57
AOCS Official Method Da 20b-57

AOCS Official Method Da 20b-57

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AOCS Official Method Da 20b-57
Revised 2017
Phosphates in Soap and Soap Products, Titrimetric Method
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Item Details:
This method determines all the phosphate in a sample as phosphorus pentoxide (P2O5) by conversion to the ortho form by acid hydrolysis and titration between pH 4.3 and pH 8.8. Two moles of NaOH are equivalent to 1 mole of P2O5.

Applicable to any species of alkali metal phosphates free...
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