看了AS-90砷元素形態(tài)分析儀的用戶又看了
虛擬號將在 180 秒后失效
使用微信掃碼撥號
上海金鵬分析儀器有限公司綜合國內(nèi)外優(yōu)秀生化實驗設(shè)備制造經(jīng)驗**生產(chǎn)的AS-90砷元素形態(tài)分析儀,進行系統(tǒng)詳解,可快速查詢產(chǎn)品的**報價、圖片、技術(shù)參數(shù),或者進行產(chǎn)品性能比較,使用非常方便。
AS-90砷元素形態(tài)分析儀的詳細(xì)介紹
主要技術(shù)指標(biāo)
● 可檢測的含砷形態(tài)
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(yōu)于1 ng;
對于AsB和AsC:檢出極限優(yōu)于3 ng。
● 重現(xiàn)性
濃度為100ng/mL的As(III)、As(V)、MMA、DMA混合溶液測定的相對標(biāo)準(zhǔn)偏差不大于6%。
● 基線穩(wěn)定性和噪聲
儀器在30分鐘內(nèi)的靜態(tài)基線漂移不大于 0.005Abs;基線噪聲峰峰值不大于0.004Abs。
特別申明:⑴本網(wǎng)站所列價目,如廠方有變動,請以廠家新價格為準(zhǔn)。
⑵批發(fā)優(yōu)惠幅度因各廠情況不同,請來電咨詢。
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.
暫無數(shù)據(jù)!