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Silica Gel for Column-layer Chromatography

[characteristics]This product is white uniform particles, the main component is silica, has the characteristics of high purity, safety and health, because of different material components of different

Product Introduction

[characteristics]

This product is white uniform particles, the main component is silica, has the characteristics of high purity, safety and health, because of different material components of different residence time, can make different mixed components

to achieve the purpose of separation and purification.

[Uses]

It is mainly used for the refinement products, the removal of aromatic substances

or for the separation and purification of the effective components of chinese herbal

medicine, and the preparation of high purity substances.

[Technical Date ]

ITEM

Specifications   

TYPE

ZCX-1

ZCX-2

ZCX-3

ZCX-1

ZCX-2

ZCX-3

C1,%≤

0.02


Fe,%≤

0.02


PH,mL/g

6.0-7.0

6.0-8.0

Pb,%≤

0.001


As,%≤

0.0003


Heavy metal(based on Pb),%≤

0.003


Loss on heating,%≤

3.0

5.0

Specific surface

≥550

300-550

200-300

≥550

300-500

200-300

Pore volume,ml/g

≥0.70

0.70-0.90

≥0.85

≤0.70

0.70-0.90

≥0.85

Qualified size radio,%≥

>150µ 75-150µ 50-75µ <50µ

80     80      60      60

>150µ 75-150µ 50-75µ <50µ

80     80      60      60

Size mm

Agreement to negotiate

 


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