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  • NUCLEOSIL® 4000-7 PEI液相色譜柱
貨物所在地:
北京北京市
更新時間:
2021-05-07 21:00:04
有效期:
2021年5月7日 -- 2021年11月7日
已獲點擊:
219
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NUCLEOSIL® 4000-7 PEI液相色譜柱
Silica-based HPLC phase for anion exchange chromatography of

詳細介紹

NUCLEOSIL® 4000-7 PEI

Silica-based HPLC phase for anion exchange chromatography of proteins and peptides

Features

 

Base material NUCLEOSIL® silica, particle size 7 µm, pore size 4000 Å
polymeric, covalently bonded polyethyleneimine network, weakly basic anion exchanger

Ion exchange capacity 0.15 mmol/g; protein binding capacity 61 mg BSA/g;
pH stability 28.5; max. working pressure 250 bar

Separation principle: reversible adsorption of negatively charged substances to positively charged groups on the exchanger material and their subsequent displacement by either increasing ionic strength or pH changes in the phase

Eluent in column methanol

 

High selectivity for numerous proteins: e.g., β-lactoglobulins A and B, two proteins differing in just two amino acids, can be separated in only 10 minutes; biological activity of purified proteins is preserved

Good binding and desorption kinetics for nucleotides as well

For more applications click here.

 

 

訂貨信息:

Ordering information

 

Length ->

125 mm

 

CC guard columns*

NUCLEOSIL® 4000-7 PEI

 

 

EC analytical columns

 

 

 

4 mm ID

 

720402.40

 

721091.40

 

 

 

* CC 8/4 guard column cartridges are used for EC columns of 4 mm ID with guard column adapter EC (REF 721359). Guard column cartridges in packs of 2, other columns in packs of 1

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