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1.15683

TLC plates, Silica gel 60 RP-18 F₂₅₄s

pkg of 50 plates, plate L × W 5 cm × 20 cm, glass support

Sinónimos:

Silica Gel 60 RP-18 F₂₅₄s TLC Plates

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A ustedes/SKUDisponibilidadPrecio
50 units
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590,00 €

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NACRES:
NB.21
UNSPSC Code:
41115711

590,00 €


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Quality Segment

material

glass support, silica gel 60 matrix

feature

binder Organic Polymer, fluorescent indicator

packaging

pkg of 50 plates

technique(s)

thin layer chromatography (TLC): suitable

layer thickness

250 μm

plate L × W

5 cm × 20 cm

particle size

10-12 μm

pore size

60 Å medium pore diameter

storage temp.

2-30°C

General description

50 Glass plates 5 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

Glass 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 50 size 5x20 cm for thin layer chromatography applications.

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: 200 - 270 µm
Deviation of layer thickness per plate: ≤ 35 µm
Chromatographic testings:
A) Cholesterin test
hRf-values
- cholesterin, cholesterin test:
30 - 38
B) Steroid test
- methyltestosterone, steroid test: 21 - 31
- Reichstein S, steroid test: 50 - 60
- hydrocortisone, steroid test: 70 - 80
Typical value determined on an activated plate (120°C, 15 min)
Eluent a) aceton/ water (95/5 v/v)
Eluent b) acetonitrile/ water (70/30 v/v)

Other Notes

Replaces: 15683-3; 15683

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Este artículo
1.154231.156851.15389
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

material

glass support, silica gel 60 matrix

material

glass support, silica gel 60 matrix

material

glass support, silica gel 60 matrix

material

glass support, silica gel 60 matrix

feature

fluorescent indicator, binder Organic Polymer

feature

binder Organic Polymer, fluorescent indicator

feature

binder Organic Polymer, fluorescent indicator

feature

binder Organic Polymer, fluorescent indicator

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

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

packaging

pkg of 50 plates

packaging

pkg of 50 plates

packaging

pkg of 25 plates

packaging

pkg of 25 plates


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