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多波长萤光分光光度法(二)——萤光黄、罗丹明6G和罗丹明B三组分混合物的测定
Authors
卢建敏
李文钦
许金钧
黄贤智
Publication date
15 March 1986
Publisher
Abstract
本文叙述了应用多波长萤光分光光度法测定人工样品中的萤光黄、罗丹明6G和罗丹明B_。于波长502nm直接测量萤光黄的萤光强度,罗丹明6G和罗丹明B均不干扰;罗丹明6G的测定波长λ_1为555nm,参比波长λ_2和λ_3为502nm和660nm,罗丹明B的测定波长λ_1选用585nm,参比波长λ_2、λ_4和λ_3相应为538nm、508nm和494nm,方法的相对误差一般小于6%。作者于前文叙述了多波长萤光分光光度法的原理,为了验证该原理的可靠性,特对萤光黄、罗丹明6G和罗丹明B人工混合样品进行实测。结果表明,方法原理可靠,实验操作和数据处理简便快速,三次测定平均偏差<3%
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Last time updated on 16/06/2016