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| Product Name: |
High Quality Silica Gel Powder for Column Chromatography 200-300
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| Supply Ability: |
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| Related proudcts |
silica gel powder, |
| Specifications |
70-230mesh,230-400mesh,40-80mesh |
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Silica Gel for Column-layer Chromatography
Characteristics:
White grains of homogeneous size. Chief ingredient is silicon dioxide. Of high purity. Secure and sanitary. Can be used to separate and refine mixed components because different absorption duration on this silica gel.
Use:
For refinement of petrol products, removal of aromatic hydrocarbon material, separation and refinement of traditional Chinese herbal medicine components, preparation of high purity substance, etc.
ITEM Specifications Typical values
Industrial grade Reagent grade Reagent grade
Type1 Type 2 Type 3 Type 4 Type 1 Type 2 Type 3 Type 4 Type 3
Specific surface area, m2/g >450 380-550 300-450 <350 >450 380-550 300-450 <350 410
Pore volume, mL/g 0.35-0.50 0.6-0.8 0.8-1.0 >1.0 0.35-0.50 0.6-0.8 0.8-1.0 >1.0 0.9
Chlorides(C I), w/% ¡Ü - 0.02 0.008
Iron(Fe), w/% ¡Ü - 0.02 0.0067
pH(100g/L water suspension) Negotiable Negotiable 6.7
Loss on Heating, w/% ¡Ü 5 5 2.2
Size/¦Ìm Negotiable Negotiable 100-200
Qualified size ratio, w/% ¡Ý 60 60 80
Size: 40-80mesh(180-450¦Ìm) 60-80mesh(180-280¦Ìm) 60-100mesh(154-280¦Ìm)
80-100mesh(154-180¦Ìm) 80-120mesh(125-180¦Ìm) 100-120mesh(125-154¦Ìm)
100-140mesh(110-154¦Ìm) 100-160mesh(98-154¦Ìm) 100-180mesh(180-250¦Ìm)
100-200mesh(75-150¦Ìm) 160-200mesh(74-98¦Ìm) 200-300mesh(50-75¦Ìm)
230-400mesh(38-63¦Ìm) 300-400mesh(38-54¦Ìm) 500-800mesh(15-30.8¦Ìm)
Storage: Stored in dry and ventilated place, do not share with volatile substances, so as not to absorb moisture or other chemical substances and affect the separation performance.
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| Company: |
Qingdao Xin Lida Silica gel Co., Ltd
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| Contact: |
Ms. Sunny Han |
| Address: |
Long quanhe Road 5, Qingdao automotive industry new town, Qingdao, China |
| Postcode: |
266717 |
| Tel: |
15865322903 |
| Fax: |
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| E-mail: |
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