摘要
提出了在浓硫酸介质中用四羟基蒽醌吸光光度法测定微量硼的新方法。最大吸收波长为６２０ｎｍ，表观摩尔吸光系数为１．３×１０４Ｌ·ｍｏｌ－１·ｃｍ－１，测定的线性范围为０～２０μｇ／２５ｍｌ。此方法经用于复混肥中微量硼的测定。
Spectrophotometric determining microboron with quinalizarin in a concentrated sulphuric acid is presented. the maximum absorbance is at 620nm, The apparent molar absorptivity is 1 3×10 4L·mol -1 ·cm -1 .The method has been used for the determination of microboron in compound fertilizers with satisfactory results.
出处
《宝鸡文理学院学报（自然科学版）》
CAS
1999年第2期45-47,共3页
Journal of Baoji University of Arts and Sciences(Natural Science Edition)
关键词
吸光光度法
四羟基蒽醌
硼
测定
spectrophotometry
quinalizarin
microboron determination
