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Z234206 Aldrich

Sigma-Aldrich® TLC Plates

aluminum oxide matrix

  •  eCl@ss 32110504

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Properties

Related Categories Analytical/Chromatography, Chromatography, Chromatography, TLC Plates, LPLC/TLC/Paper Chromatography, Labware,
material   aluminum oxide matrix
  polyester support
feature   binder Organic
  fluorescent indicator: no
packaging   pkg of 25 ea
mfr. no.   Sigma-Aldrich
application(s)   thin layer chromatography (TLC): suitable
L × W   20 cm × 20 cm
layer thickness   200 μm
particle size   <60 μm

Description

General description

Thin-layer chromatography (TLC) plates for adsorption, partition, and ion-exchange techniques. Six media choices with glass, polyester, and aluminum backings. Silica-based adsorbent layers in Sigma-Aldrich TLC plates incorporate a polymeric binder; highly purified silica gel plates incorporate a gypsum/polymer binder.
• Silica gel - for weakly to strongly polar separations, pore size 60 Å
• High purity silica gel - acid washed for separation of aflatoxins
• Cellulose - for partition chromatography, (SigmaCell Type 100 Cellulose)
• Cellulose PEI - for separation of weak anions (amino acids, peptides) PEI plates may turn slightly yellow, affecting separation. Pre-develop plates in distilled water to minimize yellow color.
• Chiral silica - for separation of optically active isomers by ligand exchange, pore size 60Å

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Sigma-Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

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