Tag: na2

How Much Platinum Does ‘NA2’ Leave in a Palladium Print?

‘NA2’ is the shorthand name for a contrast control agent (restrainer) that’s often used with palladium prints. Its proper name is sodium hexachloroplatinate (Na2PtCl6). As you can see from its chemical formula, it contains platinum. This leads to a reasonable and fairly common question: “How much platinum does ‘NA2’ leave in a palladium print?” My…

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