Precipitation comes in all forms: rain, sleet, freezing rain, and snow. Some even count virga, which becomes a gas and evaporates before it reaches us as raindrops. Hail also exists but forms ...

Precipitation comes in all forms: rain, sleet, freezing rain, and snow. Some even count virga, which becomes a gas and evaporates before it reaches us as raindrops. Hail also exists but forms ...

The Cl content was determined via AgNO 3 titration. The subsamples (about 0.2 g each) were heated at 550°C for 3 hours. To avoid the loss of Cl, about 0.05 g of calcium oxide was added and mixed with ...