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Rt-2560脂肪酸酯分析柱可以择性确保脂肪酸异构体分离,可以完全分离37种脂肪酸,包括顺式/反式脂肪酸。RESTEK是色谱耗材公司之一,Rt-2560脂肪酸分析柱采用Restek公司的键和技术,确保每一支柱子的分离效果与稳定性。具体产品信息如下:
| Rt-2560, 100 m, 0.25 mm ID, 0.20 µm (cat.# 13198) |
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| 货号 | 型号/尺寸 |
| 13198 | Rt-2560 Cap. Column100m, 0.25mm ID, 0.2um |
| 10123 | Rtx-1 Cap. Column30m, 0.25mm ID, 0.25um |
| 10124 | Rtx-1 Cap. Column30m, 0.32mm ID, 0.25um |
| 10138 | Rtx-1 Cap. Column30m, 0.25mm ID, 0.50um |
| 10139 | Rtx-1 Cap. Column30m, 0.32mm ID, 0.50um |
| 10154 | Rtx-1 Cap. Column30m, 0.32mm ID, 1.00um |
| 10155 | Rtx-1 Cap. Column30m, 0.53mm ID, 1.00um |
| 10170 | Rtx-1 Cap. Column30m, 0.53mm ID, 1.50um |
| 10179 | Rtx-1 Cap. Column30m, 0.53mm ID, 5.00um |
| 10147 | Rtx-DHA-50 Cap. Column50m, 0.20mm ID, 0.5um |
| 10148 | Rtx-DHA-100 Cap. Column100m, 0.25mm ID, 0.5um |
| 10284 | Rtx-5 Cap. Column30m, 0.32mm ID, 3.00um |
| 10287 | Rtx-5 Cap. Column60m, 0.32mm ID, 3.00um |
| 10290 | Rtx-5 Cap. Column105m, 0.32mm ID, 3.00um |
| 10292 | Rtx-Biodiesel TG Cap.Col.10m, 0.32mm ID, 0.10um |
| 10294 | Rtx-Biodiesel TG Column15m, 0.32mm ID, 0.10um |
| 10295 | Rtx-1614 Cap. Column30m, 0.25mm ID, 0.10um |
| 10296 | Rtx-1614 Cap. Column15m, 0.25mm ID, 0.10um |
| 10323 | Rtx-20 Cap. Column30m, 0.25mm ID, 0.25um |
| 10338 | Rtx-20 Cap. Column30m, 0.25mm ID, 0.50um |
| 10339 | Rtx-20 Cap. Column30m, 0.32mm ID, 0.50um |
| 10340 | Rtx-20 Cap. Column30m, 0.53mm ID, 0.50um |
| 10353 | Rtx-20 Cap. Column30m, 0.25mm ID, 1.00um |
| 10354 | Rtx-20 Cap. Column30m, 0.32mm ID, 1.00um |
| 10355 | Rtx-20 Cap. Column30m, 0.53mm ID, 1.00um |
| 10423 | Rtx-35 Cap. Column30m, 0.25mm ID, 0.25um |
| 10424 | Rtx-35 Cap. Column30m, 0.32mm ID, 0.25um |
| 10438 | Rtx-35 Cap. Column30m, 0.25mm ID, 0.50um |
| 10439 | Rtx-35 Cap. Column30m, 0.32mm ID, 0.50um |
| 10454 | Rtx-35 Cap. Column30m, 0.32mm ID, 1.00um |
| 10455 | Rtx-35 Cap. Column30m, 0.53mm ID, 1.00um |
| 10523 | Rtx-50 Cap. Column30m, 0.25mm ID, 0.25um |
| 10524 | Rtx-50 Cap. Column30m, 0.32mm ID, 0.25um |
| 10539 | Rtx-50 Cap. Column30m, 0.32mm ID, 0.50um |
| 10540 | Rtx-50 Cap. Column30m, 0.53mm ID, 0.50um |
| 10554 | Rtx-50 Cap. Column30m, 0.32mm ID, 1.00um |
| 10555 | Rtx-50 Cap. Column30m, 0.53mm ID, 1.00um |
| 10623 | Stabilwax Cap. Column30m, 0.25mm ID, 0.25um |
| 10624 | Stabilwax Cap. Column30m, 0.32mm ID, 0.25um |
| 10638 | Stabilwax Cap. Column30m, 0.25mm ID, 0.50um |
| 10639 | Stabilwax Cap. Column30m, 0.32mm ID, 0.50um |
| 10654 | Stabilwax Cap. Column30m, 0.32mm ID, 1.00um |
| 10709 | Rtx-2330 Cap. Column30m, 0.32mm ID, 0.10um |
| 10723 | Rtx-2330 Cap. Column30m, 0.25mm ID, 0.20um |
| 10724 | Rtx-2330 Cap. Column30m, 0.32mm ID, 0.20um |
| 10854 | Stabilwax-DB Cap. Column30m, 0.32mm ID, 1.00um |
| 10855 | Stabilwax-DB Cap. Column30m, 0.53mm ID, 1.00um |
| 10901 | Rtx-Volatiles Cap. Column30m, 0.32mm ID, 1.50um |
| 10903 | Rtx-Volatiles Cap. Column60m, 0.25mm ID, 1.00um |
| 10904 | Rtx-Volatiles Cap. Column60m, 0.32mm ID, 1.50um |
| 10915 | Rtx-502.2 Cap. Column30m, 0.25mm ID, 1.40um |
| 10916 | Rtx-502.2 Cap. Column60m, 0.25mm ID, 1.40um |
| 10919 | Rtx-502.2 Cap. Column30m, 0.32mm ID, 1.80um |
| 10969 | Rtx-624 Cap. Column60m, 0.25mm ID, 1.40um |
| 10970 | Rtx-624 Cap. Column30m, 0.32mm ID, 1.80um |
| 10999 | Rt-TCEP Cap. Column60m, 0.25mm ID, 0.40um |
| 11023 | Stabilwax-DA Cap. Column30m, 0.25mm ID, 0.25um |
| 11040 | Stabilwax-DA Cap. Column30m, 0.53mm ID, 0.50um |
| 11141 | Rtx-CLP Cap. Column30m, 0.32mm ID, 0.32um |
| 11223 | Rtx-OPP Cap. Column30m, 0.25mm ID, 0.25um |
| 11239 | Rtx-OPP Cap. Column30m, 0.32mm ID, 0.50um |
| 11353 | Rtx-35 Amine Cap. Column30m, 0.25mm ID, 1.0um |
| 11355 | Rtx-35 Amine Cap. Column30m, 0.53mm ID, 1.0um |
| 11385 | Rtx-35 Amine Cap. Column30m, 0.53mm ID, 3.0um |
| 11544 | Stx-CLP Cap. Column30m, 0.32mm ID, 0.50um |
| 12023 | Rtx-1701 Cap. Column30m, 0.25mm ID, 0.25um |
| 12039 | Rtx-1701 Cap. Column30m, 0.32mm ID, 0.50um |
| 12423 | Rtx-Wax Cap. Column30m, 0.25mm ID, 0.25um |
| 12439 | Rtx-Wax Cap. Column30m, 0.32mm ID, 0.50um |
| 12499 | FameWax Cap. Column30m, 0.53mm ID, 0.50um |
| 12523 | Rt-CW20M F&F (non bonded)30m, 0.25mm ID, 0.25um |
| 12539 | Rt-CW20M F&F (non bonded)50m, 0.32mm ID, 0.33um |
| 12624 | Rtx-5MS Cap. Column30m, 0.32mm ID, 0.25um |
| 12639 | Rtx-5MS Cap. Column30m, 0.32mm ID, 0.50um |
| 12740 | Rtx-5Sil MS Cap. Column30m, 0.53mm ID, 0.50um |
| 12939 | Rtx-440 Cap. Column30m, 0.32mm ID, 0.50um |
| 12940 | Rtx-440 Cap. Column30m, 0.53mm ID, 0.50um |
| 13030 | Rt-2330 NB Cap. Column105m, 0.32mm ID, 0.20um |
| 13100 | Chiral Cap. ColumnRt-bDEXm 30m, 0.25mm ID, 0.25um |
| 13101 | Chiral Cap. ColumnRt-bDEXm 30m, 0.32mm ID, 0.25um |
| 13323 | Rxi-1ms Cap. Column30m, 0.25mm ID, 0.25um |
| 13339 | Rxi-1ms Cap. Column30m, 0.32mm ID, 0.50um |
| 13454 | Rxi-5ms Cap. Column30m, 0.32mm ID, 1.0um |
| 13520 | Rxi-17 Cap. Column15m, 0.25mm ID, 0.25um |
| 13523 | Rxi-17 Cap. Column30m, 0.25mm ID, 0.25um |
| 13555 | Rxi-17 Cap. Column30m, 0.53mm ID, 1.00um |
| 13923 | Rxi-5HT Cap. Column30m, 0.25mm ID, 0.25um |
| 14024 | Rtx-225 Cap. Column30m, 0.32mm ID, 0.25um |
| 14055 | Rtx-225 Cap. Column30m, 0.53mm ID, 1.00um |
| 14624 | Rtx-35 MS Cap. Column30m 0.32mm ID, 0.25um |
| 15008 | Rtx-200 Cap. Column30m, 0.25mm ID, 0.10um |
| 15009 | Rtx-200 Cap. Column30m, 0.32mm ID, 0.10um |
| 15045 | Rtx-200 Cap. Column105m, 0.32mm ID, 0.50um |
| 15058 | Rtx-200 Cap. Column60m, 0.53mm ID, 1.00um |
| 15059 | Rtx-200 Cap. Column105m, 0.25mm ID, 1.00um |
| 15091 | Rtx-200 Cap. Column105m, 0.53mm ID, 3.00um |
| 15115 | Rxi-XLB Cap. Column2m x 0.15mm x 0.15um |
| 15624 | Rtx-200MS Cap. Column30m, 0.32mm ID, 0.25um |
| 15670 | Rtx-200MS Cap. Column30m, 0.53mm ID, 1.50um |
| 16005 | Rtx-1301 Cap. Column15m, 0.25mm ID, 0.10um |
| 16008 | Rtx-1301 Cap. Column30m, 0.25mm ID, 0.10um |
| 16009 | Rtx-1301 Cap. Column30m, 0.32mm ID, 0.10um |
| 17009 | Rtx-65TG Cap. Column30m, 0.32mm ID, 0.10um |
| 19916 | Rtx-VMS Cap. Column60m, 0.25mm ID, 1.40um |
| 19974 | Rtx-VMS Cap. Column75m, 0.53mm ID, 3.0um |
| 19985 | Rtx-VMS Cap. Column30m, 0.53mm ID, 3.0um |
| 19988 | Rtx-VMS Cap. Column60m, 0.53mm ID, 3.0um |
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文献和实验后段出峰。 图 8 | 数据矩阵-RT 解析 结合化合物的理化性质来看:数据矩阵中的五个代谢物中的很明显异常点在于,反式肉桂酸(trans-Cinnamic acid)属于极性较弱的脂肪酸,应该在高有机相时间段出峰。但是数据矩阵中将其定性鉴定到0.5min左右,因此可将该定性结果归纳为假阳性的结果,暂不使用。 Tip 2:一级质谱(MS1)的匹配情况可以考虑以下三列数据:Mass Error(质量精度),Score(总得分,其中包含一级质谱匹配得分)和 Adducts(离子加和形式
衰老与肝脏代谢 衰老是一种不可抗的自然规律,其主要生理表现为生活习性、形态变化及身体系统器官机能状态的改变。器官机能状态改变包括主要代谢器官代谢模式的改变,易引发代谢性疾病,如肥胖,高血糖,脂肪肝等 1。 肝脏作为重要的代谢器官,在衰老过程中代谢功能明显降低 2, 3,表现为肝脏细胞中甘油三脂含量显著增加,脂质分解受损,脂肪酸氧化作用受到抑制等 4, 5, 6。 肝脏中的许多代谢过程也表现出受主昼夜节律调节的节律变化,并且这些代谢过程随着年龄的增长而表现出渐进性改变
使用温度:60℃-200℃ 游离脂肪酸分析,分析酸性物质和多醇的效果比FFAP好 八、 PTE-5,PTE-5QTM型弱极性柱(MS专用柱,键合,5%苯基,95%甲基聚硅氧烷) 使用温度:-60℃-320℃ 对照品牌:HP-5MS,DB-5MS,DB-5.625,XTI-5,BPX625 半挥发污染物分析柱(US EPA方法525,625.5,625) 应用范围:多氯联苯,胺
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