上海金鹏分析仪器有限公司综合国内外优秀生化实验设备制造经�?*生产皃�strong>AS-90砷元素形态分析仪，进行系统详解，可快速查询产品的**报价、图片、技术参数，或者进行产品性能比较，使用非常方便�

AS-90砷元素形态分析仪的详细介�

主要技术指�

� 可检测的含砷形�

采用阴离子色谱柱，可检测：亚砷酸（As(�?），砷酸（As(�?），一甲基砷（MMA），二甲基砷（DMA）；

采用阳离子色谱柱，可检测：一甲基砷（MMA），二甲基砷（DMA），砷甜菜碱（AsB），砷胆碱（AsC）�

� 检出限*

对于As（III）、As（V）、MMA、DMA：检出极限优�? ng�

对于AsB和AsC：检出极限优�? ng�

� 重现�

浓度�?00ng/mL的As（III）、As（V）、MMA、DMA混合溶液测定的相对标准偏差不大于6%�

� 基线稳定性和噪声

仪器�?0分钟内的静态基线漂移不大于 0.005Abs；基线噪声峰峰值不大于0.004Abs�

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Analytical Instruments Co.� Ltd. Shanghai Jinpeng excellent chemical and biological laboratory equipment and foreign manufacturing experience exclusively produced AS-90 Arsenic speciation analysis instrument� a systematic Xiangjie to quickly check the latest products� quotes� pictures� technical parameters� or product performance comparison to use very convenient.

AS-90 morphological analyzer arsenic detailed description of

Main Technical Specifications

� can detect patterns of arsenic

Using anion column can be detected: Arsenic trioxide (As (�?)� arsenate (As (�?)� a methyl-arsenic (MMA)� dimethyl arsenic (DMA);

Using cation column� can be detected: a methyl-arsenic (MMA)� dimethyl arsenic (DMA)� arsenic betaine (AsB)� arsenic choline (AsC).

� detection limit *

For the As (III)� As (V)� MMA� DMA: The detection limit of better than 1 ng;

For AsB and AsC: detection limit of better than 3 ng.

� reproducibility

100ng/mL concentration of As (III)� As (V)� MMA� DMA mixture determination of the relative standard deviation of not more than 6%.

� baseline stability and noise

Equipment within 30 minutes of static baseline drift is not more than 0.005Abs; baseline noise� peak-peak value is not greater than 0.004Abs.

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