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Weak Cation Exchange Resins

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Ion Exchange Resins
Weak Cation Exchange Resins

CM Bestarose FF

Product Characteristics

  • CM Bestarose FF is a weak cation exchanger formed by coupling carboxymethyl onto high flow velocity agarose matrix.
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1. Introduction 

Ion exchange chromatography(IEC)is a very effective method for the separation and purification of biomolecule. The method mainly relies on the interaction between positive and negative charges, and uses the charge properties and differences of different biological molecules under specific conditions to separate them. It has the characteristics of high load, good resolution, controllable condition and easy scale-up. It has been widely used in medicine, chemical industry, metallurgy, food and other fields.
IEC resin is composed of three parts: (1)Cross-linked agarose matrix, that has the characteristics of porous, hydrophilic and good chemical stability. (2)Functional groups fixed to the matrix, which are electrically charged groups, determine the properties of the IEC resin. (3)An ion (called an equilibrium ion) that has an opposite charge to the functional group and can be reversibly bound to the functional group.
CM Bestarose FF is a weak cation exchanger formed by coupling carboxymethyl onto high flow velocity agarose matrix.

2. Technical Characteristics

Appearance

White slurry, can be layered

Matrix

Cross-linked agarose, 6%

Functional group

Carboxy methyl

Particle size+

45~165μm

Ionic capacity

90~130μmol H+/mL packed resin

Max. pressure

0.3 MPa

Pressure flow velocity++

≥300cm/h(0.1MPa BXK50/30,H=15cm ,20℃,0.1M NaCl)

Chemical Stability

Stable in common aqueous buffers: 1M NaOH+++,1M HAc+++,6M GuHCl,8M Urea, 70% ethanol ,30% isopropyl alcohol, 20% ethanol, 2%benzyl alcohol

pH stability

2~14(CIP),4~13 (Working)

Temperature tolerance

Working temperature:2~40℃, Can't freeze

Storage++++

2~30℃, 20% ethanol or 2% benzyl alcohol

Recommend flow velocity

60~300cm/h

Avoid

Avoid contact with oxidizing agents, cationic detergents.

Avoid long time exposures (1 week, 20℃)to pH

 
+Particle size is normally distributed, and particles within this range account for more than 95% of the total.
++ The pressure flow velocity describes the relationship between pressure and flow under the set circumstances. The pressure given shall not be taken as the maximum pressure of the resin. Pressure flow velocity is shown in Fig 1
+++1M NaOH and 1M HAc only be used for cleaning.
++++2% benzyl alcohol is only used for international transport or special requirements from customer

Fig 1. Pressure/flow velocity cure for Bestarose 6FF

3. Order Information

Product

Code No.

Pack size

CM Bestarose FF

AI0041

25mL

AI0042

100mL

AI0043

500mL

AI0044

1L

AI0045

5L

AI0046

10L

AI0047

20L

AI201316

40L

 

Prepacked columns

Code No.

Pack size

EzFast CM FF

EI00421

1×1mL

EI016

5×1mL

EI201303

1×5mL

EI017

5×5mL

EzScreen CM FF  

EI00425

1×4.9mL

EI00435

5×4.9mL

EzLoad 16/10 CM FF

EI019

1 pcs

EzLoad 26/10 CM FF

EI020

1 pcs

EzLoad 16/20 CM FF(Double adaptor)

EI051

1 pcs

EzLoad 10/10 CM FF(Double adaptor)

EI054

1 pcs

 

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