悬浮颗粒物中生物硅测定方法的改进与应用

陈洪涛; 张欣泉; 米铁柱; 于志刚

悬浮颗粒物中生物硅测定方法的改进与应用

1.
中国海洋大学, 化学化工学院, 山东, 青岛, 266003
2.
中国海洋大学, 环境科学与工程学院, 山东, 青岛, 266003

基金项目: 国家自然科学基金重大项目(30490232);“973”项目(2002CB412405,2005CB422305)

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出版历程
- 收稿日期: 2006-08-28
- 修回日期: 2007-04-10

Improvement and application of method for the measurement of biogenic silica in suspended matter

1.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China
2.
College of Environmental Science and Engineering, Ocean University of China, Qingdao 266003, China

摘要

摘要: 硅是河流和海洋中非常重要的营养盐,硅藻、放射虫、硅质海绵、硅鞭毛虫的生长和骨骼形成都离不开硅^[1].硅在河流和沿岸海域生态系统中扮演着非常重要的角色,在浮游植物大量繁殖季节,由于硅藻的大量繁殖,使活性硅酸盐含量急剧下降,甚至使硅藻的生长繁殖受到限制.在其他环境条件适宜的情况下,充足的硅又将成为发生硅藻赤潮的物质基础^[2].生物硅是用化学方法测定的无定形硅的含量^[3],称为生物蛋白石或简称蛋白石,是地球化学、古海洋学研究中非常重要的参数^[4].根据世界部分河流生物硅和溶解硅的平均值计算,河流输送入海的硅中有16%的是生物硅,因此河流输送的生物硅的量是全球海洋硅收支中不可忽略的部分^[5].
- 悬浮颗粒物 /
- 生物硅 /
- 成岩硅
- suspended matter /
- biogenic silica /
- lithogenic silica

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参考文献(17)

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