Rtx-5MS的固定相也是交联、键合的5%二苯基-95%二甲基聚硅氧烷,热稳定性可达360℃。但是其合成与键合工艺比标准含5%苯基的聚合物有更一步的改进。使其流失性更低,能满足质谱分析的特殊要求。 在分析碱性到中性与酸能抽取物,并使用高灵敏度的检测器,如ITD、MS、GCD或者甚至FID时,色谱柱的流失会带来某些问题。它会导致不准确的分析结果,误导质谱图解析、降低灵敏度,在的情况下,还会得到错误的定性结果。 每支Rtx-5MS柱都经过严格的测试,保证它们能得到*的结果。每批Rtx-5MS所使用的聚合物都经质谱测试,并必须附合对低流失和zui低硅氧烷碎片的要求规格。而且用许多zui有吸附性的指标化合物配成的严格测试混合物,对Rtx-5MS柱进行性能评估。建立了zui低响应因子的指标,以保证每支柱都能超过半挥发污染物测试方法中的要求。每支柱的流失情况,确保在zui大使用温度时的超低流失的水平。提供的每支柱都附有实际测试的色谱图,可说明Rtx-5MS对环境化合物所显示出的高度惰性。同时也附有能说明质谱检测器对聚合物流失反应的测试色谱图。 Rtx-5MS所显示的性能超过了测试半挥发污染物的EPA方法625和8270的要求。 该柱相似于DB-5MS,VF-5MS,CP-Sil 8CB MS和HP-5MS。 Rtx-5ms型毛细管柱 Description | Length | temp. limits | qty. | Cat.# | Price | Wish list | Cart | | 0.25mm ID | | 0.10um df | | Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12605 | | | Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12608 | | | Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12611 | | | 0.25um df | | Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12620 | | | Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12623 | | | Rtx-5MS w/5m Integra-Guard Column | 30m | -60 to 330/350°C | ea. | 12623-124 | | | Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12626 | | | 0.50um df | | Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12635 | | | Rtx-5MS w/5m Integra-Guard | 15-Meter | -60 to 330/350°C | ea. | 12635-124 | | | Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12638 | | | Rtx-5MS | 60-Meter | -60 to 325/350°C | ea. | 12641 | | | 1.00um df | | Rtx-5MS | 15-Meter | -60 to 325/350°C | ea. | 12650 | | | Rtx-5MS | 30-Meter | -60 to 325/350°C | ea. | 12653 | | | 0.32mm ID | | 0.10um df | | Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12606 | | | Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12609 | | | Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12612 | | | 0.25um df | | Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12621 | | | Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12624 | | | Rtx-5MS | 60-Meter | -60 to 330/350°C | ea. | 12627 | | | 0.50um df | | Rtx-5MS | 15-Meter | -60 to 330/350°C | ea. | 12636 | | | Rtx-5MS | 30-Meter | -60 to 330/350°C | ea. | 12639 | | | | Rtx-5MS | 60-Meter | -60 to 325/350°C | ea. | 12642 | | | | 1.00um df | | Rtx-5MS | 15-Meter | -60 to 325/350°C | ea. | 12651 | | | Rtx-5MS | 30-Meter | -60 to 325/350°C | ea. | 12654 | | | 0.53mm ID | | 0.50um df | | Rtx-5MS | 15-Meter | -60 to 320/340°C | ea. | 12637 | | | Rtx-5MS | 30-Meter | -60 to 320/340°C | ea. | 12640 | | | 1.00um df | | Rtx-5MS | 15-Meter | -60 to 320/340°C | ea. | 12652 | | | Rtx-5MS | 30-Meter | -60 to 320/340°C | ea. | 12655 | | | 1.50um df | | Rtx-5MS | 15-Meter | -60 to 310/330°C | ea. | 12667 | | | Rtx-5MS | 30-Meter | -60 to 310/330°C | ea. | 12670 | |
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 | |