推荐产品
产品名称
SUPELCOSIL ™ ABZ + Plus HPLC 色谱柱, 5 μm particle size, L × I.D. 15 cm × 4.6 mm
Agency
suitable for USP L60
质量水平
特点
endcapped
制造商/商品名称
SUPELCOSIL™
标记范围
12.0% carbon loading
参数
≤70 °C temp. range
400 bar pressure (5801 psi)
技术
HPLC: suitable
长度 × 内径
15 cm × 4.6 mm
表面积
170 m2/g
表面覆盖度
surface coverage 3.4 μmol/m2
基质
silica gel, spherical particle platform
基质活性基团
amide, alkyl phase
粒径
5 μm
孔径
120 Å
pH值范围
2-7.5
应用
food and beverages
分离技术
reversed phase
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一般描述
SUPELCOSIL ABZ+Plus 色谱柱可提供高去活特性和独特的选择性。经失活处理的硅胶颗粒粒径均一，确保其具有高柱效和低背压。经过键合和封尾后，ABZ+Plus 键合相有效的屏蔽了残余硅羟基，阻止了残余硅羟基与大多数化合物间的相互作用，无论分析物基团的特性如何均可获得对称的峰形。该键合相也允许在流动相中使用低离子强度的缓冲溶液，无需添加离子抑制剂。ABZ+Plus 让您可以使用简单的流动相来进行最困难的化合物分析，无论酸、强碱性化合物还是两性离子均可轻松胜任。
按照美国药典 (USP) 适用于 L60
按照美国药典 (USP) 适用于 L60
特点和优势
•对极性、非极性和带电荷分析物均具有很高的柱效
•对具有反应性的化合物也可获得对称性良好的峰形
•对极性和带电荷的化合物具有独特的选择性
•对具有反应性的化合物也可获得对称性良好的峰形
•对极性和带电荷的化合物具有独特的选择性
法律信息
SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC
Tânia M G Almeida et al.
Chemistry & biodiversity, 2(12), 1691-1700 (2006-12-29)
Absorption, distribution, metabolism, and excretion (ADME) properties are of invaluable importance to a bioactive compound. Permeation process is one of the most widely studied by many different techniques. Among them, reversed-phase liquid chromatography (RP-LC) is proving to be of great
Zhongping John Lin et al.
Journal of pharmaceutical and biomedical analysis, 37(4), 757-762 (2005-03-31)
A highly sensitive method was developed and validated for determining the free fraction of flunarizine in human plasma. Equilibrium dialysis was used for the separation of free (unbound) drug and liquid chromatography/tandem mass spectrometry (LC-MS/MS) was used for quantitation. Post-dialysis
Hoang Anh Nguyen et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 810(1), 77-83 (2004-09-11)
Liquid chromatography with a column-switching technique was developed for simultaneous direct quantification of levofloxacin, gatifloxacin and moxifloxacin in human serum. Serum samples were injected on a LiChroCART 4-4 pre-column (PC) filled with a LiChrospher 100 RP-18, 5 microm where fluoroquinolones
P Chaimbault et al.
Journal of chromatography. A, 855(1), 191-202 (1999-10-09)
A qualitative determination of 20 underivatized proteinic amino acids by LC-MS is reported. The need for chromatographic separation before mass spectrometry determination is demonstrated based on the study of several amino acid pairs which have some similar characteristics. Two suitable
Konstantinos Petritis et al.
Journal of chromatography. A, 957(2), 173-185 (2002-07-13)
The single run analysis of 23 small peptides (principally glycyl and lysyl dipeptides) is performed by ion-pair reversed-phase liquid chromatography coupled with evaporative light scattering detection or electrospray (tandem) mass spectrometry. Several perfluorinated carboxylic acid homologues are evaluated with an
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