河北化工
河北化工
하북화공
HEBEI CHEMICAL ENGINEERING AND INDUSTRY
2012年
5期
71-72
,共2页
可交换态铁%分光光度法%土壤
可交換態鐵%分光光度法%土壤
가교환태철%분광광도법%토양
exchangeable iron%spectrophotometer method%soil
采用分光光度法测定了土壤中的可交换态铁,考察了影响可交换态铁萃取率的主要因素（提取剂浓度、pH值、提取时间等）。结果显示,所选土样中可交换态铁含量水平在0.096～0.116g/g范围内,加标回收率为98.9%～100.4%。
採用分光光度法測定瞭土壤中的可交換態鐵,攷察瞭影響可交換態鐵萃取率的主要因素（提取劑濃度、pH值、提取時間等）。結果顯示,所選土樣中可交換態鐵含量水平在0.096～0.116g/g範圍內,加標迴收率為98.9%～100.4%。
채용분광광도법측정료토양중적가교환태철,고찰료영향가교환태철췌취솔적주요인소（제취제농도、pH치、제취시간등）。결과현시,소선토양중가교환태철함량수평재0.096～0.116g/g범위내,가표회수솔위98.9%～100.4%。
The exchangeable iron in soil was determined by spectrophotometer method.The conditions that effected the extraction efficiency were investigated,including the concentration of extraction solution,pH value and extraction time.The results indicated that the level of the exchangeable iron in soil was ranged from 0.096 to 0.116 g/g with the spiked recovery ranging 98.9%~100.4%.
