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更新時(shí)間:2022-05-01 12:49:13瀏覽次數(shù):80次
聯(lián)系我時(shí),請告知來自 儀表網(wǎng)Rtx-5MS的固定相也是交聯(lián)、鍵合的5%二苯基-95%二甲基聚硅氧烷,熱穩(wěn)定性可達(dá)360℃。但是其合成與鍵合工藝比標(biāo)準(zhǔn)含5%苯基的聚合物有更一步的改進(jìn)。使其流失性更低,能滿足質(zhì)譜分析的特殊要求。
在分析堿性到中性與酸能抽取物,并使用高靈敏度的檢測器,如ITD、MS、GCD或者甚至FID時(shí),色譜柱的流失會帶來某些問題。它會導(dǎo)致不準(zhǔn)確的分析結(jié)果,誤導(dǎo)質(zhì)譜圖解析、降低靈敏度,在的情況下,還會得到錯(cuò)誤的定性結(jié)果。
每支Rtx-5MS柱都經(jīng)過嚴(yán)格的測試,保證它們能得到一致的結(jié)果。每批Rtx-5MS所使用的聚合物都經(jīng)質(zhì)譜測試,并必須附合對低流失和硅氧烷碎片的要求規(guī)格。而且用許多吸附性的指標(biāo)化合物配成的嚴(yán)格測試混合物,對Rtx-5MS柱進(jìn)行性能評估。建立了響應(yīng)因子的指標(biāo),以保證每支柱都能超過半揮發(fā)污染物測試方法中的要求。每支柱的流失情況,確保在使用溫度時(shí)的超低流失的水平。提供的每支柱都附有實(shí)際測試的色譜圖,可說明Rtx-5MS對環(huán)境化合物所顯示出的高度惰性。同時(shí)也附有能說明質(zhì)譜檢測器對聚合物流失反應(yīng)的測試色譜圖。
Rtx-5MS所顯示的性能超過了測試半揮發(fā)污染物的EPA方法625和8270的要求。
該柱相似于DB-5MS,VF-5MS,CP-Sil 8CB MS和HP-5MS。
Rtx-5ms型毛細(xì)管柱
Description | Length | temp. limits | qty. | Cat.# | Price | Wish | Cart | |||
| 0.25mm ID | |||||||||
| 0.10um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12605 |
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| Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12608 |
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| Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12611 |
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| 0.25um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12620 |
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| Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12623 |
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| Rtx-5MS w/5m Integra-Guard Column | 30m | -60 to 330/350°C | ea. | 12623-124 |
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| Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12626 |
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| 0.50um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12635 |
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| Rtx-5MS w/5m Integra-Guard | 15-Meter | -60 to 330/350°C | ea. | 12635-124 |
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| Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12638 |
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| Rtx-5MS | 60-Meter | -60 to 325/350°C | ea. | 12641 |
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| 1.00um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 325/350°C | ea. | 12650 |
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| Rtx-5MS | 30-Meter | -60 to 325/350°C | ea. | 12653 |
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| 0.32mm ID | |||||||||
| 0.10um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12606 |
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| Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12609 |
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| Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12612 |
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| 0.25um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12621 |
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| Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12624 |
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| Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12627 |
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| 0.50um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12636 |
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| Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12639 |
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| Rtx-5MS | 60-Meter | -60 to 325/350°C | ea. | 12642 |
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| 1.00um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 325/350°C | ea. | 12651 |
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| Rtx-5MS | 30-Meter | -60 to 325/350°C | ea. | 12654 |
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| 0.53mm ID | |||||||||
| 0.50um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 320/340°C | ea. | 12637 |
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| Rtx-5MS | 30-Meter | -60 to 320/340°C | ea. | 12640 |
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| 1.00um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 320/340°C | ea. | 12652 |
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| Rtx-5MS | 30-Meter | -60 to 320/340°C | ea. | 12655 |
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| 1.50um df | |||||||||
| Rtx-5MS | 15-Meter | -60 to 310/330°C | ea. | 12667 |
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| Rtx-5MS | 30-Meter | -60 to 310/330°C | ea. | 12670 |
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Rtx-5Sil MS柱:
ID | df(um) | temp.limits | 15-Meter | 30-Meter |
0.25mm | 0.10 | -60 to 330/350℃ | 12705 | 12708 |
| 0.25 | -60 to 330/350℃ | 12720 | 12723 |
| 0.50 | -60 to 330/350℃ | 12735 | 12738 |
| 1.00 | -60 to 325/350℃ | 12750 | 12753 |
0.28mm | 0.25 | -60 to 330/350℃ | 12790 | 12793 |
| 0.50 | -60 to 330/350℃ | 12791 | 12794 |
| 1.00 | -60 to 325/350℃ | 12792 | 12795 |
0.32mm | 0.10 | -60 to 330/350℃ | 12706 | 12709 |
| 0.25 | -60 to 330/350℃ | 12721 | 12724 |
| 0.50 | -60 to 330/350℃ | 12736 | 12739 |
| 1.00 | -60 to 325/350℃ | 12751 | 12754 |
0.53mm | 0.50 | -60 to 320/340℃ | 12737 | 12740 |
| 1.00 | -60 to 320/340℃ | 12752 | 12755 |
| 1.50 | -60 to 310/330℃ | 12767 | 12770 |
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