推荐产品
产品名称
SUPELCOSIL™ LC-NH2-NP HPLC 色谱柱, 5 μm particle size, L × I.D. 25 cm × 4.6 mm
Agency
suitable for USP L8
质量水平
特点
endcapped
制造商/商品名称
SUPELCOSIL™
标记范围
3% Carbon loading
参数
≤70 °C temp. range
400 bar pressure (5801 psi)
技术
HPLC: suitable
长度 × 内径
25 cm × 4.6 mm
表面积
170 m2/g
表面覆盖度
surface coverage 5.1 μmol/m2
基质
silica gel, spherical particle platform
基质活性基团
amino phase
粒径
5 μm
孔径
120 Å
pH值（酸碱度）
2-7.5
应用
food and beverages
分离技术
normal phase
一般描述
SUPELCOSIL LC-NH2-NP 是专用于正相色谱的一种氨基键合相。通过使用特殊的键合技术，并且在制造和测试色谱柱的过程中避免接触到水，我们显著地降低了保留时间的变化，而这正是正相色谱的典型特征。
是一种用于正相条件的氨基键合相。通过使用特殊的键合技术，并且在制造和测试色谱柱的过程中避免接触到水，我们显著地降低了保留时间的变化，而这正是正相色谱的典型特征。正相色谱尤其适用于非水溶性分析物，例如脂溶性维生素 A、D、E 和 K。
该色谱柱仅限于无水流动相条件下使用。
该色谱柱仅限于无水流动相条件下使用。
特点和优势
SUPELCOSIL LC-NH2-NP 色谱柱：
•在正相分离中具有稳定的保留时间
•相对于裸硅胶而言，对流动相中含少量水或流动相中水含量的变化不敏感
•对脂溶性维生素具有极佳的分离性能
•在正相分离中具有稳定的保留时间
•相对于裸硅胶而言，对流动相中含少量水或流动相中水含量的变化不敏感
•对脂溶性维生素具有极佳的分离性能
•在正相分离中具有稳定的保留时间
•相对于裸硅胶而言，对流动相中含少量水或流动相中水含量的变化不敏感
•对脂溶性维生素具有极佳的分离性能
•相对于裸硅胶而言，对流动相中含少量水或流动相中水含量的变化不敏感
•对脂溶性维生素具有极佳的分离性能
法律信息
SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC
K K Peh et al.
International journal of pharmaceutical compounding, 4(3), 229-231 (2000-05-01)
A simple and selective high-performance liquid chromatography (HPLC) method using ultraviolet detection was developed for simultaneous determination of fusidic acid and betamethasone dipropionate in a cream formulation. A Supelcosil LC18 column was used for chromatographic separation. The mobile phase consisted
E M Koves
Journal of chromatography. A, 692(1-2), 103-119 (1995-02-10)
A comprehensive approach to the analysis for many drugs in postmortem blood and biological fluids using high-performance liquid chromatography and diode array detection has been developed. To reduce the likelihood of co-eluting interference components of postmortem blood or other drugs
S Djabarouti et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 799(1), 165-172 (2003-12-09)
The aim of this study was to develop a specific and sensitive high-performance liquid chromatographic (HPLC) assay for the determination of levofloxacin in human plasma, bronchoalveolar lavage and bone tissues. The sample extraction was based on a fully automated liquid-solid
Vijay V Upreti et al.
Biomedical chromatography : BMC, 17(6), 385-390 (2003-09-19)
A simple and sensitive high-performance liquid chromatography (HPLC) method has been developed and validated for the determination of DRF-1042, a novel orally active camptothecin (CPT) analog, in human plasma. The sample preparation was a simple deproteinization with acidified methanol yielding
F N Hussain et al.
Journal of chromatography. B, Biomedical sciences and applications, 716(1-2), 257-266 (1998-11-21)
We describe a sensitive high-performance liquid chromatographic method for the determination of 5-aminosalicylic acid and N-acetyl-5-aminosalicylic acid in rectal tissue biopsies. Samples were derivatised using propionic anhydride and proteins were precipitated with methanol. A Supelcosil ABZ column (150x4.6 mm I.D.
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