. Bulletin. Figure 17.—Electrodeposition results with richer so-lution. Twenty-two liters of solution, mg. of silver, 22 grams KHO, 220 gramsXaCl, and per cent KCy. Six uncoated• Electra carbon anode combs. Cathodes, 14bunches of 5 each, of 16-mesh wire cloth ; totalarea, square feet. Rate of flow, 570 litersper hour; velocity through open box, 66 inchesper minute; through cathodes, 150. 70 ELECTRODEPOSITION OF GO] P AND SILVER. -ii as the pump was started. At the end of five and three-fourthshours, the circulation being maintained, the current .was , andwhen th
. Bulletin. Figure 17.—Electrodeposition results with richer so-lution. Twenty-two liters of solution, mg. of silver, 22 grams KHO, 220 gramsXaCl, and per cent KCy. Six uncoated• Electra carbon anode combs. Cathodes, 14bunches of 5 each, of 16-mesh wire cloth ; totalarea, square feet. Rate of flow, 570 litersper hour; velocity through open box, 66 inchesper minute; through cathodes, 150. 70 ELECTRODEPOSITION OF GO] P AND SILVER. -ii as the pump was started. At the end of five and three-fourthshours, the circulation being maintained, the current .was , andwhen the circulation was stopped it fell at once to EXPERIMENT WITHOUT SODIUM CHLORIDE. In order to determine whether the use of salt in the solution wasbeneficial the experiment was repeated without salt. The same vol-. 3 4 5 HOURS OBI 18.—Electrodeposition results with rich silver solution and no Nad Solution,22 liters, containing grams KCy, grams Ag as KAgCy2, and 22 gramsKIIO. Rate of flow, 540 liters per hour; velocity per minute through open box, 63inches; through cathodes, 141. Anodes and cathodes same as in figure 17; cathodeswen coated with silver and rusted from standing over night after removal from thesalt solution used in the previous test. time of solution, containing per cent KHO and per centKCy and mg. of silver per 100 c. c. was used. The flow was 540liters per hour. The same cathodes, which had been coated wTithsilver, were used as in the previous experiment (fig. 17). The re-sults of the test are shown in figure 18. The ampere curve was de-cidedly different in form from that of the former experiment. Itstarted at amperes, falling in one-fourth hour to , thenrising rapidly to at the end of three hours. This value it main- EXPERIMENTS OX TH
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