This article reviews the current application status and research progress of colorimetric detection methods based on chemical colorimetry in the detection of explosives.It mainly introduced colorimetric sensors,colori...This article reviews the current application status and research progress of colorimetric detection methods based on chemical colorimetry in the detection of explosives.It mainly introduced colorimetric sensors,colorimetric sensor arrays,and chemical colorimetric sensors based on novel material substrates.The application prospect of chemical colorimetric method in the field of explosives detection was prospected.展开更多
优化Folin-Ciocalteu比色法测定石榴花提取物中多酚含量的条件,并对该方法进行系统评价。以没食子酸为标准物质,确定测定波长后系统考察Folin-Ciocalteu试剂(FC试剂)浓度、Na2CO3试剂浓度、反应时间、反应温度等因素对测定结果的影响,...优化Folin-Ciocalteu比色法测定石榴花提取物中多酚含量的条件,并对该方法进行系统评价。以没食子酸为标准物质,确定测定波长后系统考察Folin-Ciocalteu试剂(FC试剂)浓度、Na2CO3试剂浓度、反应时间、反应温度等因素对测定结果的影响,并对该方法的稳定性、精密度、回收率等进行试验。研究表明,石榴花提取物多酚含量测定的适宜条件为:1 m L样品液、5 m L 40%FC试剂、4 m L 10%Na_2CO_3试剂、25~℃避光反应100 min,测定波长为750 nm,该方法的稳定性、精密度、回收率均较好。展开更多
文摘This article reviews the current application status and research progress of colorimetric detection methods based on chemical colorimetry in the detection of explosives.It mainly introduced colorimetric sensors,colorimetric sensor arrays,and chemical colorimetric sensors based on novel material substrates.The application prospect of chemical colorimetric method in the field of explosives detection was prospected.
文摘优化Folin-Ciocalteu比色法测定石榴花提取物中多酚含量的条件,并对该方法进行系统评价。以没食子酸为标准物质,确定测定波长后系统考察Folin-Ciocalteu试剂(FC试剂)浓度、Na2CO3试剂浓度、反应时间、反应温度等因素对测定结果的影响,并对该方法的稳定性、精密度、回收率等进行试验。研究表明,石榴花提取物多酚含量测定的适宜条件为:1 m L样品液、5 m L 40%FC试剂、4 m L 10%Na_2CO_3试剂、25~℃避光反应100 min,测定波长为750 nm,该方法的稳定性、精密度、回收率均较好。