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Silica Gel for Column-layer Chromatography |
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| Product name : Silica Gel for Column-layer Chromatography |
| Item : HiL-025 |
| Details : |
The appearance is white grain of uniform size, chief ingredient is silicon dioxide.
It is highly pure, secure and sanitary, usually used for separating and refining mixed components due to different absorption duration. Concretely, refining petrol products, removing aromatic hydrocarbon material, separating and refining the effective components of Chinese herbal medicine and preparation of high purity substance, etc.
Technical Data:
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ITEM
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Index
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Type I
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Type II
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Type
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ZCX-1
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ZCX-2
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ZCX-3
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ZCX-1
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ZCX-2
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ZCX-3
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Chlorides(Cl), %=
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0.02
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Iron(Fe), %=
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0.02
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pH(100g/l water suspension)
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6.0-7.0
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6.0-8.0
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Lead(Pb), %=
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0.001
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Arsenic(As), %=
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0.0003
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Heavy metals (by Pb), %=
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0.003
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Loss on heating, %=
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3.0
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5.0
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Specific surface, m2/g
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=550
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300-550
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200-300
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= 550
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300-550
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200-300
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Pore volume, ml/g
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=0.70
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0.70-0.90
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=0.85
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=0.70
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0.70-0.90
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=0.85
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Granularity eligibility, %=
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>150� 75-150� 50-75� <50�
80 80 60 60
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>150� 75-150� 50-75� <50�
80 80 60 60
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Granularity, mm
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To be decided upon buyers requirements
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