On the Cone site is says that unlike some of their competitors, the Cone quad inks are alkaline (pH 9). It claims that other inks (without naming them) are acidic. Since this would clearly have archival implications, does anyone have some litmus paper around to check their MIS inks? -- John Brownlow http://www.pinkheadedbug.com
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pH of quad inks
2002-03-28 by John Brownlow