20 Top Surnames in Italy. According to an article in http://italian.about.com/od/italianculture/a/aa111704a.htm, written by Michael San Filippo, the top 20 surnames in Italy appear below. I have also included the meaning for each as well as alternate spellings. Russo and Rossi seem to be the most common.
Heat the lead until it melts. Turn on your heat source and adjust the heat to its highest setting, if applicable. Apply the heat as directly to the lead as possible. Lead melts at a temperature of 328 degrees Celsius (621 degrees Fahrenheit), so it will take time to melt a large amount of lead. Since most lead you use will not be pure, you will have impurities ('dross') float to the top.
It normally exists as white crystals with no discernible odor. Lead arsenate contains 22% arsenic and is very slightly soluble in cold water. The melting point of lead arsenate is 1042 degrees C, the density is 7.80 and the molecular weight is 347.12. Technical lead arsenate consists of 95-98% lead arsenate.