谱析（上海）生物科技有限公司提供——尿中的儿茶酚胺 质谱诊断方案
在线分析

一、说明
This ClinRep@ Complete Kit is designed for the convenient on-line SPE analysis of the catecholamines. A time-consuming manual sample preparation is not required with this method. Prior to the on-line analysis the samples simply have to be spiked with the internal standard (one step sample pretreatment).

二、产品优势
（1）在线样品制备
（2）荧光检测的稳健色谱法

三、测试数据
Linearity:                  3 - 1500 μg/1
Recovery:                   95 - 100 %
LOD:                        1 μg/1
LLOQ:                       3 μg/l
Intraassay precision:       3.0 % (NE), 4.5 % (E),0.8 % (D)
Interassay precision:     3.6 % (NE), 6.4 % (E),2.4 % (D)  

四、高效液相色谱参数
Pump 1 
(SPE-buffer):               isocratic pump,flow rates: 0.5, 2.0 ml/min
Pump 2 
(mobile phase):              isocratic pump, flow rate: 1.2 ml/min
Switching valve:             6-port/3-channel switching valve (order no. FK1102)
Injection volume:           50 μl
Injection interval:         20 min
Fluorescence
detector:                    275 nm (exc.), 330 nm (em.)
HPLC-Thermostat:             30 °
 



六、订购信息



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