Taylor Test Reagent R0718A 3/4oz 22ml Silver Nitrate for Salt Level Sodium Chloride Test. Mfg #: R-0718-A, UPC Code: 840036001486, Also available in 32oz 950ml size, Used with R-0630-A Chromate in K-1766 Drop test kit, For 1 drop = 200 ppm Sodium Chloride, 1. 10 mL water to be tested. 2. Add 1 drop R-0630 Chromate Indicator. Swirl to mix. Sample should turn yellow. 3. Add R-0718 Silver NitrateReagent dropwise, swirling and counting after each drop, until color changes from yellow to a milky salmon (brick) red. Always hold bottle in vertical position. NOTE: Do not add enough R-0718 Silver Nitrate Reagent to give a brown color. First change from yellow to a milky salmon (brick) red is the endpoint. 4. Multiply drops of R-0718 Silver Nitrate Reagent by 200 ppm

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