|
LK5100<\/span><\/span>電化學(xué)發(fā)光分析系統(tǒng)<\/span><\/span> <\/p> <\/span><\/span> <\/p> LK5100<\/span>型電化學(xué)發(fā)光分析系統(tǒng)是天津市蘭力科化學(xué)電子高技術(shù)有限公司開發(fā)、研制的產(chǎn)品。<\/span> <\/p> LK5100<\/span>電化學(xué)發(fā)光分析系統(tǒng)將電化學(xué)及發(fā)光分析整合為一體<\/span>,使用方便,易于**控制,保證電化學(xué)發(fā)光分析的測定結(jié)果更**、更穩(wěn)定,大幅度提高了測定的靈敏度。尤其對痕量物質(zhì)的測定,更具有優(yōu)勢。 <\/span><\/p> 一、工作環(huán)境<\/span><\/strong> <\/p> 1)環(huán)境溫度:<\/span>-15℃<\/span> ~ 45℃<\/span> <\/p> 2)環(huán)境相對濕度:<\/span>< 75% <\/p> 3)儀器四周通風(fēng)良好,空氣中不含腐蝕性氣體。<\/span> <\/p> 4)儀器周圍無強(qiáng)電磁場干擾。<\/span> <\/p> 5)電源電壓:<\/span>AC220V(<\/span>50Hz)。<\/span> <\/p> 二、可提供的測試方法<\/span><\/strong> <\/p> 化學(xué)發(fā)光檢測<\/span><\/strong>:化學(xué)發(fā)光分析<\/span> <\/p> 電化學(xué)發(fā)光同時(shí)檢測<\/span><\/strong>:脈沖電位電化學(xué)發(fā)光分析、單電位階越計(jì)時(shí)電流<\/span>&電化學(xué)發(fā)光同時(shí)檢測、雙電位階越計(jì)時(shí)電流<\/span>&電化學(xué)發(fā)光同時(shí)檢測、線性掃描伏安<\/span>&電化學(xué)發(fā)光同時(shí)檢測、循環(huán)伏安<\/span>&電化學(xué)發(fā)光同時(shí)檢測<\/span> <\/p> 電化學(xué)檢測:<\/span><\/strong> <\/p> 恒電位技術(shù):開路電位<\/span>&時(shí)間測量曲線、單電位階越計(jì)時(shí)電流法、雙電位階越計(jì)時(shí)電流法、單電位階越計(jì)時(shí)電量法、雙電位階越計(jì)時(shí)電量法、恒電位電解庫侖分析法<\/span> <\/p> 線性掃描技術(shù):線性掃描伏安法、循環(huán)伏安法、塔菲爾(<\/span>Tafel)曲線測量、線性掃描溶出伏安法<\/span> <\/p> 脈沖技術(shù):微分脈沖伏安法、微分脈沖溶出伏安法<\/span> <\/p> 方波技術(shù):方波伏安法、方波溶出伏安法<\/span> <\/p> <\/span> <\/span><\/strong><\/span><\/strong> <\/span><\/strong> <\/p> 三聯(lián)吡啶釕—草酸體系循環(huán)伏安—電化學(xué)發(fā)光同時(shí)檢測圖<\/span><\/strong> <\/p> <\/strong> <\/p> 三、技術(shù)參數(shù)<\/span><\/strong> <\/p> <\/span> <\/p> 探測器:銻銫光陰極光電倍增管<\/span> <\/span>本底噪聲:<\/span><<\/span>10RLU(0.1<\/span>秒計(jì)數(shù)時(shí)間) <\/span> <\/p> 重復(fù)性CV<\/span>≤3% <\/span>穩(wěn)定性CV<\/span>≤3%<\/span><\/span> <\/p> 線性范圍50<\/span>~<\/span>2.0<\/span>×106<\/sup>RLU 相關(guān)系數(shù)>0.999<\/span> <\/p> 光譜(響應(yīng))范圍300nm<\/span>~<\/span>650nm <\/span>掃描速度0.01mV/s<\/span>~<\/span>5000V/s<\/span> <\/p> 最小分辨率0.01Mv <\/span>電流檢測下限≤10pA<\/span> <\/p> 恒電位范圍<\/span>-10~+10V?<\/span> <\/span>恒電流范圍-250<\/span>~+250mA<\/span><\/span> <\/p> 方波幅度 0.001~0.5V<\/span>、<\/span><\/strong> <\/span>采樣間隔0.0001~60000Sec<\/span> <\/p> 最大輸出電壓<\/span>-28V<\/span>~+28V 交流頻率0.000<\/span>1<\/span>~100KHz<\/span><\/span> <\/p> 電位范圍:-10V~10V; <\/span>靈敏度1×10-14<\/sup><\/span> <\/span>電流范圍: 250mA; 參比電極輸入阻抗:>1012<\/sup>Ω; 輸入偏置電流:<20pA; 電位增量:0.01mV; 掃描速率:0.00001~10000V/S; 電流測量分辨率:<0.2pA;<\/span> <\/p>
|