上海金鹏分析仪器有限公司综合国内外生化实验设备制造经验du家生产的AS-90砷元素形态分析仪，进行系统详解，可快速查询产品的zuixin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绍
主要技术指标
● 可检测的含砷形态
采用阴离子色谱柱，可检测：亚砷酸（As(Ⅲ)），砷酸（As(Ⅴ)），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：检出极限优于1 ng；
对于AsB和AsC：检出极限优于3 ng。
● 重现性
浓度为100ng/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
仪器在30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 (Ⅲ)), arsenate (As (Ⅴ)), 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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