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1.05559

Supelco

TLC aluminum sheets, Silica gel 60 RP-18 F₂₅₄s

pkg of 20 sheets, sheet L × W 20 cm × 20 cm, aluminum support

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material

aluminum support
silica gel 60 matrix

Quality Level

feature

binder Organic Polymer
fluorescent indicator

packaging

pkg of 20 sheets

technique(s)

thin layer chromatography (TLC): suitable

layer thickness

200 μm

sheet L × W

20 cm × 20 cm

particle size

10-12 μm

pore size

60 Å medium pore diameter

storage temp.

2-30°C

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This Item
1.055601.154231.15683
feature

binder Organic Polymer, fluorescent indicator

feature

binder Organic Polymer, fluorescent indicator

feature

binder Organic Polymer, fluorescent indicator

feature

binder Organic Polymer, fluorescent indicator

packaging

pkg of 20 sheets

packaging

pkg of 20 sheets

packaging

pkg of 50 plates

packaging

pkg of 50 plates

technique(s)

thin layer chromatography (TLC): suitable

technique(s)

thin layer chromatography (TLC): suitable

technique(s)

thin layer chromatography (TLC): suitable

technique(s)

thin layer chromatography (TLC): suitable

layer thickness

200 μm

layer thickness

200 μm

layer thickness

250 μm

layer thickness

250 μm

pore size

60 Å medium pore diameter

pore size

60 Å medium pore diameter

pore size

60 Å medium pore diameter

pore size

60 Å medium pore diameter

General description

20 Aluminium sheets 20 x 20 cm
RP modified plates serve two purposes: act as a pilot method for HPLC and allow to choose various solvent system for special separations. Our RP-modified silica layers are well suited for many separation challenges that unmodified silica cannot overcome. These layers use aqueous solvent systems to separate extremely non-polar substances and analyze particular polar substances that can adapt to ion-pair chromatography. What’s more, RP-modified silica layers are less dependent on atmospheric humidity. Unlike unmodified silica, RP-phases do not exhibit catalytic activity. This makes them the plates of choice for unstable substance that tend to experience oxidative degradation.

Application

Aluminum TLC plates, RP-18 modified silica gel coated with flourescent indicator F254s. The RP-18 modified silica gel TLC plates come in a quantity of 20 size 20x20 cm for thin layer chromatography applications.

Linkage

Replaces: 5559-7; 5559

Analysis Note

Specific surface area (according to BET; 5-Pt. measurement): 480 - 540 m²/g
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
d 50 (laser diffraction, size distribution): 9.7 - 11.7 µm
Layer thickness: 160 - 200 µm
Deviation of layer thickness per plate: ≤ 30 µm
Chromatographic testings:
A) Cholesterin test
hRf-values
- cholesterin, cholesterin test:
32 - 39
B) Steroid test
- methyltestosterone, steroid test: 14 - 22
- Reichstein S, steroid test: 26 - 36
- hydrocortisone, steroid test: 36 - 46
Typical value determined on an activated sheet (120°C, 15 min)
Eluent a) aceton/ water (95/5 v/v)
Eluent b) aceton/ water (60/40 v/v)

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