With Silver Test Paper, it's easy to measure the effectiveness of your electrolytic silver recovery unit or metallic exchange cartridge.Thin strips of litmus paper change color when exposed to silver-laden fixer solution. To measure the results, dip the paper in silver-laden fixer and compare the color of the strip to the chart in your kit. Results are given in grams per liter or Troy Ounces per gallon.
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Last Updated : 03/16/2013