| http://www.w3.org/ns/prov#value | - The present invention is a formulation, which when incorporated in toothpastes containing a fluorine containing compound and at least one compound selected from the group consisting of an insoluble alkali metal metaphosphate and calcium pyrophosphate that are held in unlined aluminum tubes, gives a paste which has acceptable pH values for efficacy of said flourine containing compound, acceptable t
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