[21] In our experience, patch-test results were negative at day = but became positive by day 7 or later for the following metals: gold sodium thiosulfate 0.5%, palladium chloride 2%, potassium ...

Gradients to optimize applications. Fast determination of thiosulfate, thiocyanate, and perchlorate. Can be used with instruments from third party manufacturers as well. Offer a wide choice of ...

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