the difference between High renaissance paintings and northern renaissance painting. the high renaissance paintings were on a larger scale; the northern renaissance paintings were painted on a smaller scale b/c frescoes weren't allowed in churches.
Molten lead color. Hi all-I was doing some casting this weekend and noticed that I couldn't quite keep the color of the molten lead a shiney silver color (like quicksilver / mercury).Instead, it was more of a gold color, with a thin skin on the top.old is a good indicator of tin. pure lead will usually show a blue/purple color. put a heat barrier on top of your mix it will also help keep the oxides down and the temp more consistant. it's all an educated guess,,,, till the trigger is pulled.
Blood lead is monitored in workers whose environment contains lead. It is used to evaluate chronic lead exposure and recent lead exposure. Sometimes, a zinc protoporphyrin (ZPP) test is also ordered. The ZPP is increased when lead begins to affect red blood cell production.he danger that a particular lead level represents depends on the age and health of the person, the amount of lead they are exposed to, and the amount of time that they are exposed to elevated lead levels. Exposure to lead is not healthy for anyone, but children are more vulnerable to its effects.