EntityQ1026364· pop 6· linked from 21 articlessoap scumSign in to saveinformal term for the white solid that results from the addition of soap to hard waterConnectionssurfactantEntitysodiumEntitycalciumEntitymagnesiumEntityInternational Standard Book NumberEntitysoapEntityalkaline earth metalEntitydigital object identifierEntitydetergentEntitylaundry detergentEntityhard waterEntitywater softeningEntitymagnesium stearateEntitycalcium stearateEntitytadelaktEntityUllmann's Encyclopedia of Industrial ChemistryEntityCategoriesBy-productsCalcium compoundsMagnesium compoundsSoapsWater treatment