酚试剂分光光度法测定空气中甲醛浓度的影响因素  

Study of Influencing Factors of Testing Formaldehyde Concentration in the Air with Phenolphthalein Reagent by Way of MBTH Spectrophotometry

作　　者：杨玉华[1] 李利军[1] 刘延冬 

机构地区：[1]深圳市建设工程质量检测中心,广东深圳518000

出　　处：《化学建材》2005年第3期9-11,共3页Chemical Materials for Construction

摘　　要：对酚试剂分光光度法测定空气中甲醛浓度的实验条件进行了研究。考察了显色温度、显色时间、吸收波长和显色剂用量等对分析结果的影响,并对此分析方法的精密度、准确度以及检出限量等有关指标进行了探讨。Experimental conditions for determination of formaldehyde concentration in the air with phenolphthalein reagent by way of MBTH spectrophotometry were studied. Effects of color development temperature, color development time, absorption wavelength and color development reagent content on analysis results were investigated, and precision, accuracy and testing limits were also discussed.

关 键 词：分光光度法测定 甲醛浓度 酚试剂 空气 实验条件 显色温度 显色时间 分析结果 吸收波长 显色剂 精密度 准确度 限量 

分 类 号：TS102.522[轻工技术与工程—纺织工程] S816.17[轻工技术与工程—纺织科学与工程]