XSelect CSH Phenyl-Hexyl Column
苯基固定相通过π-π作用力提高了与平面芳香族化合物的相互作用
应用领域

XSelect CSH苯已基柱比起传统的反相柱提供另一种选择性,是方法开发中一种很有价值的工具,如低pH条件下。

XSelect CSH苯基固定相通过π-π作用力提高了与平面芳香族化合物的相互作用。与氟苯基色谱柱相比,相比与那些次级的Lewis碱相互作用力而言XSelect CSH苯基色谱柱更多强调反相作用。


XSelect CSH色谱柱的可扩展性和通用性使其可用作分离和纯化科学家的有力的方法开发工具。用于合成CSH固定相的杂化颗粒材质。耐用性与OBD填装技术的结合产生了在宽运行条件下具有优异寿命的色谱柱。色谱柱设计固有的可扩展性使得纯化科学家能够选择从更大到更小和更窄的制备型色谱柱,降低溶剂消耗和馏分体积。


Simultaneous determination of twelve sweeteners and nine preservatives in foods by solid-phase extraction and LC-MS/MS

A rapid and simple method for the simultaneous determination of twelve sweeteners and nine preservatives in various foods by liquid chromatography-tandem mass spectrometry (LC-MS/MS) was developed. The sweeteners and preservatives were extracted from solid samples with 80% and 50% methanol and from liquid samples with 80% methanol, followed by Oasis WAX cartridge cleanup. The LC separation was performed on a XSelect CSH Phenyl-Hexyl column (5 μm, 2.1 mm ×150 mm) with a mobile phase of 10 mmol/L acetate buffer (pH 4.0)-acetonitrile and MS detection with negative ion electrospray ionization. The quantification limits of acesulfame K (AK), alitame (AL), aspartame (ASP), cyclamic acid (CYC), neotame (NEO), saccharin Na (SAC), p-hydroxybenzoic acid methyl (PHBA-Me), p-hydroxybenzoic acid ethyl (PHBA-Et), p-hydroxybenzoic acid isopropyl (PHBA-iPr), p-hydroxybenzoic acid propyl (PHBA-Pr), p-hydroxybenzoic acid isobutyl (PHBA-iBu) and p-hydroxybenzoic acid butyl (PHBA-Bu) were 0.001 g/kg, those of dulcin (DU), glycyrrhizic acid (GLY), neohesperidin dihydrochalcone (NHDC), rebaudioside A (REB), stevioside (STV), sucralose (SUC) and benzoic acid (BA) were 0.005 g/kg, and those of sorbic acid (SOA) and dehydroacetic acid (DHA) were 0.02 g/kg. The mean recoveries from ten kinds of foods fortified at the levels of 0.02 and 0.2 g/kg were 70.9-119.0%, and their relative standard deviations were 0.1-11.7%.

品名编号
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 10 mm X 250 mm, 1/pkg186008247
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 3 mm X 75 mm, 1/pkg186005648
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 3 mm X 50 mm, 1/pkg186005371
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 3 mm X 150 mm, 1/pkg186005392
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 4.6 mm X 150 mm, 1/pkg186005380
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 3 mm X 30 mm, 1/pkg186005389
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 4.6 mm X 20 mm, 1/pkg186005394
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 3 mm X 150 mm, 1/pkg186005373
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 3 mm X 50 mm, 1/pkg186005390
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 3 mm X 100 mm, 1/pkg186005372
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 4.6 mm X 50 mm, 1/pkg186005377
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 4.6 mm X 75 mm, 1/pkg186005378
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 4.6 mm X 50 mm, 1/pkg186005397
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 3 mm X 100 mm, 1/pkg186005391
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 4.6 mm X 30 mm, 1/pkg186005396
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 4.6 mm X 30 mm, 1/pkg186005376
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 4.6 mm X 100 mm, 1/pkg186005379
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 4.6 mm X 75 mm, 1/pkg186005398
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 4.6 mm X 100 mm, 1/pkg186005399
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 4.6 mm X 150 mm, 1/pkg186005400
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 4.6 mm X 250 mm, 1/pkg186005401
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 100 mm, 3/pkg176002617
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 50 mm, 1/pkg186006129
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 4.6 mm X 100 mm, 1/pkg186006135
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 150 mm, 3/pkg176002896
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 50 mm, 3/pkg176002615
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 30 mm, 1/pkg186006128
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 100 mm, 1/pkg186006131
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 150 mm, 1/pkg186006734
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 4.6 mm X 75 mm, 1/pkg186006134
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 75 mm, 1/pkg186006130
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 4.6 mm X 30 mm, 1/pkg186006132
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 4.6 mm X 50 mm, 1/pkg186006133
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 75 mm, 3/pkg176002616
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 30 mm, 1/pkg186006124
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 75 mm, 1/pkg186006126
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 50 mm, 1/pkg186006125
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 30 mm, 3/pkg176002610
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 50 mm, 3/pkg176002611
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 100 mm, 3/pkg176002613
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 3 mm X 30 mm, 3/pkg176002614
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 150 mm, 3/pkg176002895
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 100 mm, 1/pkg186006127
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 150 mm, 1/pkg186006733
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 2.1 mm X 75 mm, 3/pkg176002612
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 2.1 mm X 50 mm, 1/pkg186005365
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 2.1 mm X 100 mm, 1/pkg186005366
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 2.1 mm X 30 mm, 1/pkg186005383
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 2.1 mm X 150 mm, 1/pkg186005386
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 2.1 mm X 20 mm, 1/pkg186005363
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 2.1 mm X 150 mm, 1/pkg186005367
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 2.1 mm X 30 mm, 1/pkg186005364
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 2.1 mm X 50 mm, 1/pkg186005384
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 2.1 mm X 100 mm, 1/pkg186005385
XSelect CSH Phenyl-Hexyl Column, 130Å,  3.5 µm, 2.1 mm X 75 mm, 1/pkg186005645
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 2.1 mm X 20 mm, 1/pkg186005382
XSelect CSH Phenyl-Hexyl Column, 130Å, 5  µm, 3 mm X 250 mm, 1/pkg186005393
XSelect CSH Phenyl-Hexyl Method  Validation Kit, 130Å, 2.5 µm, 3 mm X 100 mm, 3/pkg186006248
XSelect CSH Phenyl-Hexyl Method  Validation Kit, 130Å, 2.5 µm, 4.6 mm X 50 mm, 3/pkg186006250
XSelect CSH Phenyl-Hexyl XP Column,  130Å, 2.5 µm, 4.6 mm X 150 mm, 1/pkg186006735
XSelect CSH Phenyl-Hexyl Method  Validation Kit, 130Å, 2.5 µm, 4.6 mm X 150 mm, 3/pkg186006793
XSelect CSH Phenyl-Hexyl Method  Validation Kit, 130Å, 2.5 µm, 3 mm X 150 mm, 3/pkg186006792
XSelect CSH Phenyl-Hexyl Method  Validation Kit, XP Column, 130Å, 2.5 µm, 3 mm X 50 mm, 3/pkg186006247
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 19 mm X 50 mm, 1/pkg186005446
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 50 mm X 50 mm, 1/pkg186005508
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 50 mm X 250 mm, 1/pkg186005511
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 19 mm X 250 mm, 1/pkg186005506
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 19 mm X 150 mm, 1/pkg186005448
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 50 mm X 150 mm, 1/pkg186005510
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 30 mm X 150 mm, 1/pkg186005452
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 30 mm X 250 mm, 1/pkg186005507
XSelect CSH Phenyl-Hexyl OBD Prep  Column, 130Å, 5 µm, 50 mm X 100 mm, 1/pkg186005509


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