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土壤和岩石中锡比色测定研究

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苯芴酮-溴化十六烷基吡啶-锡三元配合物光度法为常用的测定岩石和土壤中高含量锡元素的方法,本文对苯芴酮-溴化十六烷基吡啶-锡三元配合物光度法的实验过程中试剂的使用、步骤的优化、时间的控制进行实验研究探讨.同时对干扰元素进行不加掩蔽剂下的条件实验,便于解决测定过程中因干扰元素产生的影响问题.在保证数据可靠性的前提下,本文探讨了苯芴酮-溴化十六烷基吡啶-锡三元配合物光度法流程中各参数对测定结果的影响,精确了实验试剂用量及其他实验参数的使用,使实验数据的准确度和精密度更好,精简了测定流程,降低非必要因素所带来的干扰影响.这些基础研究的结果对其他测定土壤和岩石中锡的方法也可以提供部分参考依据.
Study on the Colorimetric Determination of Tin in Soil and Rock
The phenylfluorone hexadecylpyridine bromide tin ternary complex photometry is a commonly used sample method for determining tin elements in high content rocks and soils.This article explores the experimental process of the phenylfluorone hexadecylpyridine bromide tin ternary complex photometry,including the optimization of reagent dosage,steps,and time control.Simultaneously conducting conditional experiments on interfering elements without masking agents facilitates the resolution of the effects caused by interfering elements during the measurement process.On the premise of ensuring data reliability,the influence of various parameters in the process of phenylfluorone hexadecylpyridine bromide tin ternary complex spectrophotometry on the measurement results was explored.The amount of experimental reagents and the use of other experimental parameters were accurately determined,which improved the accuracy and precision of experimental data,streamlined the measurement process,and reduced the interference caused by unnecessary factors.At the same time,the results of these basic studies can also provide some data reference for other methods to determine tin in soil and rocks.

tinphenylfluoronegelatinaciditycolordevelopmenttimeCPBcolorimetric methodsynergist

阳辉伟、魏嘉涛

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广东省地质实验测试中心,广东 广州,510699

苯芴酮 明胶 酸度 显色时间 溴化十六烷基吡啶 比色法 增效剂

2024

江西化工
江西化学化工学会 江西省化学工业研究所

江西化工

影响因子:0.272
ISSN:1008-3103
年,卷(期):2024.40(6)