Glass Plates

Polygram® Polyester Sheets

Alugram® Aluminium Sheets

Alugram® Xtra Aluminium Sheets

Supports for TLC ready-to-use layers
Physical properties of support materials
Material glass polyester aluminium
Thickness (approx.) 1.3 mm 0.2 mm 0.15 mm
Weight, packaging and storage requirements high low low
Torsional strength ideal low relatively high
Temperature stability high max. 185 °C high
Susceptible to breakage yes no no
Can be cut with scissors no yes yes
Chemical resistance of support material
against solvents high high high
against mineral acids and conc. ammonia high high low
Stability of the binder system of NP plates in water
suitability for aqueous detection reagents depends on the phase very suitable ALUGRAM®: limited suitability ALUGRAM® Xtra: well suited

We offer a complete line of products for thin layer chromatography (TLC), high performance TLC (HPTLC) and preparative TLC, including plates and accessories.

Available support Phase Description
Standard silica

ADAMANT silica 60, improved binder system, optimized particle size distribution

SIL G ALUGRAM® Xtra SIL G silica 60, standard grade, particle size 5–17 µm ALUGRAM® Xtra: as above, on aluminium, outstanding wettability, improved cutting properties

DURASIL silica 60, special binder system

SIL N-HR high purity silica 60, special binder system, higher gypsum content

SILGUR silica 60 with kieselguhr concentrating zone
Unmodified silica for HPTLC

Nano-SILGUR nano silica 60 with kieselguhr concentrating zone

Nano-ADAMANT nano silica 60, optimized binder system and particle size distribution

Nano-SIL nano silica 60, standard grade, particle size 2–10 µm

Nano-DURASIL nano silica 60, special binder system
Modified silica for HPTLC
Nano-SIL C18-50 / C18-100 nano silica with partial or complete C18 modification
  RP-18 W nano silica with partial octadecyl modification, wettable with water
  RP-2 silanized silica = dimethyl-modified silica 60
  Nano-SIL CN cyano-modified nano silica
  Nano-SIL NH2 amino-modified nano silica
Nano-SIL Diol diol-modified nano silica
Aluminium oxide
  Alox-25 / Alox N aluminium oxide
Cellulose, unmodified and modified
  CEL 300 native fibrous cellulose MN 300
CEL 400 microcrystalline cellulose MN 400(AVICEL)
CEL 300 PEI polyethyleneimine-impregnated cellulose ion exchanger
CEL 300 AC acetylated cellulose MN 300
Layers for special separations
Polyamide 6 perlon = ε-aminopolycaprolactame
CHIRALPLATE RP-silica with Cu2+ ions and chiral reagent,for enantiomer separation
SIL G-25 HR high purity silica 60 with gypsum, recommended for aflatoxin analysis
SIL G-25 Tenside silica G with ammonium sulfate for separation of surfactants
Nano-SIL PAH nano silica with special impregnation for PAH analysis
IONEX-25 SA-Na mixed layer of strongly acidic cation exchanger and silica
IONEX-25 SB-AC mixed layer of strongly basic anion exchanger and silica
Alox/CEL-AC-Mix mixed layer of aluminium oxide and acetylated cellulose
SILCEL-Mix mixed layer of cellulose and silica

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