推荐产品
材料
PET support
silica gel 60 matrix
品質等級
品質
with fluorescent indicator 254 nm
特點
binder Organic Polymer
fluorescent indicator
包裝
pkg of 25 sheets
製造商／商標名
Sigma-Aldrich
技術
thin layer chromatography (TLC): suitable
長度 × 寬度
20 cm × 20 cm
層厚度
200 μm
粒徑
8.0-12.0 μm
孔徑
60 Å medium pore diameter
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相关类别
一般說明
Polyethylene terephthalate (PET) is a thermoplastic polymer resin. It is used on TLC plates as it prevents the chemical reagents to diffuse into the polymer matrix. The chemical degradation of PET is not easy. Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation resulting in the formation of uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent is removed by supercritical extraction
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent is removed by supercritical extraction
應用
Silica gel on TLC-PET foils was used to perform thin layer chromatography.
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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Janiak, Christoph, and Bernhard Rieger.
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