在苏南茶区 8 个县( 市) 的 21 个茶场进行商品茶的现场调查、样品采集与含氟量分析。 结果表明, 茶叶氟富集量的波动变化与氟源、茶园的自然生态环境、茶叶的品位与档次、采摘标准等因素有关。 苏南茶叶氟富集量的波动范围为 46～ 410 mg/ kg, 平均含氟量 137.8 mg/ kg 。
 

The survey , sam pling and analysis of fluorine content of commodity tea were carried out from 21 plantations in 8 counties of south Jiang su Province.The results showed that the change of content of fluorine accumulation in tea was correlated with fluo rine pollution source, ecological environment of tea plantation area, tea g rade and sampling standard .The range of accumulated fluorine content in tea is 46 ～ 410 mg/kg w ith the mean 137 .8 mg/kg .