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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验独家生产的AS-90砷元素形态分析仪，进行系统详解，可快速查询产品的最新报价、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.
In particular that: ⑴ prices listed on this site, such as a change in the factory, please factory new price shall prevail.
⑵ the wholesale margin of preference for each plant is different, please call us.
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