十大理由購買PerkinElmerElite系列毛細(xì)柱1. 頂級品質(zhì)高強(qiáng)度熔融石英2. 每一個管柱都單獨(dú)檢驗(yàn)測試合格3. 結(jié)果重現(xiàn)性好4. 交聯(lián)和結(jié)合固定相5. 堅(jiān)固的柱框架6. 好的分離度7. 可用固定相選擇寬廣8. 基線低流失9. 基線噪音更低10. 柱長度為5-105M為什么選擇熔融石英?管柱的質(zhì)量受許多因素影響。熔融石英被認(rèn)為是最純凈的玻璃,較少有氧化金屬(劉易斯酸位)和氫鍵(表面硅羥基)組。固定相是交聯(lián)(聚合),并連接到柱表面,確保高度的穩(wěn)定性,從而降低了在高溫下固定相的流失。柱的優(yōu)越惰性意味著酸性和堿性化合物可以在同一柱上進(jìn)行分析。選擇正確的固定相比較以前要求的許多各種各樣的填充柱,毛細(xì)柱的固有效率(大量理論塔板數(shù))允許您選擇的固定相類型較少。也許更重要的是——因?yàn)槊?xì)柱柱效更高,所以您會看到較窄,較高的峰能得到更好的分離度,以及更容易用您的數(shù)據(jù)系統(tǒng)進(jìn)行積分。小峰的識別因?yàn)榛€流失和基線噪音的降低而更加方便。PerkinElmer的非極性Elite-1將優(yōu)先保留非極性化合物,同時珀金埃爾默Elite-200柱的固定相能為含孤對電子(如硝基和羰基)分析物提供高選擇性。Elite-WAX聚乙二醇柱對醇等極性化合物具有高度選擇性。我需要什么樣的長度?通常毛細(xì)柱的長度可在15至105米之間。柱的長度越長,分離度越高,但這同時也增加了分析時間。柱的長度增加一倍,只會使分離度增加約40%,但是在等溫條件下,分析時間會延長了一倍。如果使用程序升溫,則分析保留時間更取決于溫度而不是柱的長度。珀金埃爾默 提供的柱長度通常為5、10、12、15、25、30、50、60、75、100和105米,同時也和柱i.d有關(guān)。更多信息,請參考: elite系列毛細(xì)柱.pdf
有需要?dú)g迎來電咨詢:一三三二一七零二二一二
用型毛細(xì)柱石墨墊用于毛細(xì)柱與進(jìn)樣口及除質(zhì)譜以外檢測器的連接. 其中: B02-2001 內(nèi)徑為0.5mm可用于0.1, 0.25, 0.32等毛細(xì)柱的密封連接. B02-2002 內(nèi)徑為1mm, B02-2003 內(nèi)徑為0.4mm, B02-1004內(nèi)徑為0.8mm.
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Rxi™-1MS熔融石英毛細(xì)柱(專利Crossbond®技術(shù)鍵合100%二甲基聚硅氧烷)
可替代:DB-1, DB-1ms, HP-1, HP-1ms,Ultra-1, SPB-1, Equity-1新型熔融石英氣相毛細(xì)柱—Rxi™柱已經(jīng)上市。這些新型柱管是現(xiàn)有色譜柱中的,它有著的惰性,超低流失,可重復(fù)的保留值和選擇性,加上突出的操作性能,這些管柱特性聯(lián)合起來確保Rxi™柱管擁有的使用壽命。Restek 的化學(xué)家還創(chuàng)建了一個穩(wěn)定的,可重復(fù)的生產(chǎn)程序,因此每次安裝新柱Rxi™都將滿足您的要求!特點(diǎn):• 超低流失• 的惰性• 可重復(fù)的性能,column after column優(yōu)點(diǎn)• 應(yīng)用于分析麻醉品,重質(zhì)油,烴類,農(nóng)藥,PCB 同類物或Aroclor®混合物,含硫化合物,胺類,溶劑雜質(zhì),模擬蒸餾,氧化物,汽油中有機(jī)物,煉廠氣。• 溫度范圍:-60°C~330/350°C(流失測試溫度/最大操作溫度)• 超低流失—改善信噪比,有更高靈敏度,質(zhì)譜譜圖完整。• 等同于USP 固定G2
elite毛細(xì)柱PE毛細(xì)柱PE超優(yōu)惠毛細(xì)柱PE毛細(xì)柱價格