推薦產品
product name
Ascentis® Express RP- 氨基化合物，5μm HPLC色谱柱, 5 μm particle size, L × I.D. 10 cm × 3 mm
材料
stainless steel column
agency
suitable for USP L60
產品線
Ascentis®
特點
endcapped
製造商／商標名
Ascentis®
包裝
1 ea of
參數
60 °C temp. range
600 bar max. pressure (9000 psi)
技術
HPLC: suitable
LC/MS: suitable
長度 × 內徑
10 cm × 3 mm
表面積
90 m2/g
雜質
<5 ppm metals
基質
Fused-Core® particle platform
superficially porous particle
基質活性組
amide, alkyl phase
粒徑
5 μm
孔徑
90 Å pore size
pH值範圍
2-9
應用
food and beverages
分離技術
reversed phase
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相關類別
一般說明
Ascentis Express 5 μm RP-Amide是一款基于高效熔融核®颗粒设计的高速、高效液相色谱柱。熔融核颗粒提供了围绕固体二氧化硅核的高纯度二氧化硅薄多孔外壳。由于在0.6 μm厚的多孔外壳中的浅扩散途径和5 μm的高度均匀的总粒度，该颗粒设计表现出非常高的柱效。Ascentis Express 5 μm RP-Amide的一步键合、封端、酰胺基、极性嵌入固定相提供了稳定的反相填料，具有降低的疏水性。Ascentis Express RP-Amide可用于具有C18或C8正交选择性的碱性、酸性或中性化合物。极性包埋的Ascentis Express 5 μm RP-Amide色谱柱与100%水性流动相相容，不会出现“相崩溃”。
法律資訊
Ascentis is a registered trademark of Merck KGaA, Darmstadt, Germany
Fused-Core is a registered trademark of Advanced Materials Technology, Inc.
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Erzsébet Oláh et al.
Journal of chromatography. A, 1217(23), 3642-3653 (2010-04-23)
Today sub-2 microm packed columns are very popular to conduct fast chromatographic separations. The mass-transfer resistance depends on the particle size but some practical limits exist not to reach the theoretically expected plate height and mass-transfer resistance. Another approach applies
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A liquid chromatography-linear ion-trap spectrometry (LC-MS³) method using β-receptor molecular-imprinted polymer (MIP) solid-phase extraction (SPE) as clean-up was developed to determine simultaneously and confirmatively residues of 25 β₂-agonists and 21 β-blockers in urine samples. Urine samples were subjected to enzymatic
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