236802
Silica gel Inorganic Sorbent
high-purity grade (Davisil Grade 636), 35-60 mesh
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关于此项目
化学文摘社编号:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
SB.52
EC Number:
231-545-4
MDL number:
产品名称
硅胶, high-purity grade (Davisil Grade 636), pore size 60 Å, 35-60 mesh particle size
grade
high-purity grade (Davisil Grade 636)
Quality Level
agency
suitable for EPA 601
assay
≥99%
form
powder
manufacturer/tradename
Davisil®
technique(s)
LPLC: suitable
surface area
480 m2/g
matrix
Silica
matrix active group
silica
particle size
250-500 μm, 35-60 mesh
pore size
0.75 cm3/g pore volume, 60 Å
pH
6.5 (5% in slurry)
bp
2230 °C
mp
>1600 °C
separation technique
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
硅胶是硅胶的刚性三维网络。它专门用作齐格勒-纳塔催化剂中活性钛（III）中心的载体材料。硅胶可以经受控制破碎，并形成具有窄粒度分布和高堆积密度的均匀聚合物颗粒。硅胶分类如下：
a.水凝胶 - 孔内充满了水
b.干凝胶 - 通过蒸发过程，气孔中的水相被去除
c.气凝胶 - 通过超临界萃取除去溶剂。
a.水凝胶 - 孔内充满了水
b.干凝胶 - 通过蒸发过程，气孔中的水相被去除
c.气凝胶 - 通过超临界萃取除去溶剂。
Application
- 色谱分离：硅胶在色谱中广泛用作固定相，用于各种化合物的分离。硅胶改性的创新，如五溴苄基改性硅胶，提高了对烟酰胺等代谢物的分离效率。该应用对药物分析和代谢组学研究至关重要，为生物相关分子的定量提供了高精度和准确性（Ozaki et al., Analytical Biochemistry, 2022）。
- 环境污染物检测：硅胶用于制造分子印迹聚合物（MIP），后者可选择性地识别和结合环境污染物。一个值得注意的应用是通过在分子印迹硅胶中嵌入量子点来检测食品样品中的氨基咪唑氮杂环芳烃（AIA）该方法具有高选择性和高灵敏度，是食品安全和环境监测的有力工具（Qiao et al., Current Analytical Chemistry, 2021）。
Legal Information
Davisil is a registered trademark of W.R. Grace & Co.-Conn.
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存储类别
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
相关内容
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
T Martin et al.
Chemical communications (Cambridge, England), (1)(1), 24-25 (2002-07-18)
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A simple method for production of pure silica from rice hull ash
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Janiak, Christoph, and Bernhard Rieger.
Angew. Makromol. Chem., 215, 47-57 (1994)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 236802-1KG | 04061838512765 |
| 236802-100G | 04061838512758 |
| 236802-25KG | 04061832912349 |