Quantification of acetone emission from pine plants

• 作 者: 邵敏gen Wildt
• 出 处: Science in China(Series B,Chemistry)
• 发表日期: 2002年05期
• 关键词: acetone labeled exposed quickly exponentially outlet tempera exposure emitted ch

Acetone emission from pine plants (pinus sylvestris) is measured by continuously stirred tank reactor. Under a constant light intensity, acetone emission rates increase exponentially with leaf temperature. When leaf temperature is kept constant, acetone emission increases with light intensity. And acetone emission in darkness is also detected. Acetone emitted from pine is quickly labeled by 13C when the plants are exposed to air with 630 mg/m313CO2. However, no more than 20% of acetone is 13C labeled. Acetone emission from pine may be due to both leaf temperature-controlled process and light intensity-controlled process. Based on these understandings, an algorithm is used to describe the short term acetone emission rates from pine.

Acetone emission from pine plants (pinus sylvestris) is measured by continuously stirred tank reactor. When acetone temperature limits increase exponentially with leaf temperature. Acetone emitted from pine is quickly labeled by 13C when the plants are exposed to air with 630 mg / m313CO2. However, no more than 20% of acetone is 13C labeled. Acetone emission from pine may be due to both leaf temperature-controlled process and light intensity-controlled process. Based on these understandings, an algorithm is used to describe the short term acetone emission rates from pine.