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Crystaldex G100


classification:Dextran gel packing

Traditional dextran gels cross-linked with epichlorohydrin have high mechanical strength and ultra-high selectivity.

Product Overview

Gel filtration chromatography (also known as molecular sieving) works on the principle that small molecules can pass through the pores of the porous gel, while large molecules cannot. Furthermore, the time it takes for molecules to pass through the gel pores varies depending on their molecular weight and geometric shape, thereby separating samples of different molecular weights and structures.

Product Components

Product Name

Catalog No.

Packaging

Particle Size

Crystaldex G100 (Superfine)

C243001

100 g

10-40 µm (dry)
25-100 µm (wet)

C243002

500 g

C243003

5 kg

C243004

100 mL

C243005

500 mL

Crystaldex G100 (Medium)

C244001

100 g

40-120 µm (dry)
100-310 µm (wet)

C244002

500 g

C244003

5 kg

C244004

100 mL

C244005

500 mL

Storage Conditions

The liquid is stored long-term in 20% ethanol at 0-30°C; the dry powder is stored long-term at 0-30°C.

Technical Specifications

Specification

Details

Matrix

Cross-linked dextran

Particle Size Range (wet)

20-100 µm (Fine)
100-310 µm (Medium)

Separation Range (globular proteins)

4,000-150,000 Da

Separation Range (dextrans)

1,000-100,000 Da

Compatible Buffers

All standard buffer systems

Chemical Stability

Stable in:
• All common buffers
• 0.2 M NaOH
• 0.2 M HCl
• pH 7.0 (wet state, 120°C autoclave for 30 min)

pH Stability (long-term)

2-10

CIP Stability (short-term)

2-13

Maximum Pressure

<0.096 bar (flow maintenance without compression)

Flow Characteristics

Gravity flow recommended (no pressure to avoid gel compression)

Storage Conditions

20% ethanol, 0-30°C


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