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.
A percent yield over 100% could be due to water not completely dissolving from the product. 4. Our crude aspirin had a melting point range of 56.0-78.2 C. Our recrystalized aspirin product had a melting point range of 110.0-116.2.We observed a melting point range of 127.0-135.0 with commercial aspirin while the actual melting point is reported as 134-136 C from sigma-Aldrich online. percent yield over 100% could be due to water not completely dissolving from the product. 4. Our crude aspirin had a melting point range of 56.0-78.2 C. Our recrystalized aspirin product had a melting point range of 110.0-116.2.