| http://www.w3.org/ns/prov#value | - of around 10% or more to allow the preparation of concentrates which may be used to prepare more dilute inks and to minimise the chance of precipitation of colorant if evaporation of the liquid medium occurs during use of the ink. [0138] When the liquid medium is an aqueous medium it is preferably water or a mixture of water and one or more water-soluble organic solvents.
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