分光光度计法测定石榴石铁氧体中铋离子含量Content Determination of Bi~(3+) in Yttrium Iron Garnet by Spectrophotometry
王丽丽;林叶红;陈思琦;黄志高;
摘要(Abstract):
利用碘化钾分光光度法测定Bi的标准曲线,并用以分析溶胶-凝胶法制备得到Bi_(0.7)Y_(2.0)Ca_(0.3)Zr_(0.3)Fe_(4.7)O_(12)石榴石纳米颗粒的Bi(3+)含量.实验表明,当钇铁石榴石样品的煅烧温度越高时,Bi(3+)含量.实验表明,当钇铁石榴石样品的煅烧温度越高时,Bi(3+)的损失量越大.当煅烧温度为700℃以下时,Bi(3+)的损失量越大.当煅烧温度为700℃以下时,Bi(3+)损失量在3%以内,当煅烧温度分别为800、900℃和1 000℃时,Bi(3+)损失量在3%以内,当煅烧温度分别为800、900℃和1 000℃时,Bi(3+)的损失量为4.53%,9.74%和17.73%.Bi(3+)的损失量为4.53%,9.74%和17.73%.Bi(3+)的损失量与煅烧温度满足高斯变化规律,该结果可为石榴石铁氧体中Bi(3+)的损失量与煅烧温度满足高斯变化规律,该结果可为石榴石铁氧体中Bi(3+)含量提供依据.
关键词(KeyWords): 钇铁石榴石;分光光度计法;Bi~(3+)损失量;碘化钾;溶胶-凝胶法
基金项目(Foundation): 国家自然科学基金面上基金资助项目(61574037);; 福建省科技厅青年创新项目(2016J05117)
作者(Authors): 王丽丽;林叶红;陈思琦;黄志高;
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