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上海金鵬分析儀器有限公司綜合國內外優秀生化實驗設備制造經驗**生產的AS-90砷元素形態分析儀,進行系統詳解,可快速查詢產品的**報價、圖片、技術參數,或者進行產品性能比較,使用非常方便。
AS-90砷元素形態分析儀的詳細介紹
主要技術指標
● 可檢測的含砷形態
采用陰離子色譜柱,可檢測:亞砷酸(As(Ⅲ)),砷酸(As(Ⅴ)),一甲基砷(MMA),二甲基砷(DMA);
采用陽離子色譜柱,可檢測:一甲基砷(MMA),二甲基砷(DMA),砷甜菜堿(AsB),砷膽堿(AsC)。
● 檢出限*
對于As(III)、As(V)、MMA、DMA:檢出極限優于1 ng;
對于AsB和AsC:檢出極限優于3 ng。
● 重現性
濃度為100ng/mL的As(III)、As(V)、MMA、DMA混合溶液測定的相對標準偏差不大于6%。
● 基線穩定性和噪聲
儀器在30分鐘內的靜態基線漂移不大于 0.005Abs;基線噪聲峰峰值不大于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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