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Merck 105560 TLC Silica gel 60 RP-18 F₂₅₄s
    Merck 105560 TLC Silica gel 60 RP-18 F₂₅₄s

Merck 105560 TLC Silica gel 60 RP-18 F₂₅₄s 1 Kt

Katalog No: 105560.0001

Marka: Merck

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Merck 105560 TLC Silica gel 60 RP-18 F₂₅₄s 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 5x7.5 cm for thin layer chromatography applications.

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Merck 105560 TLC Silica gel 60 RP-18 F₂₅₄s 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 5x7.5 cm for thin layer chromatography applications.

 

 

Açıklama
Katalog Numarası105560
Replaces5560-4; 5560
Genel BakışRP 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.

 

Ürün Bilgisi
HS Kodu3822 19 00
Quality LevelMQ100

 

 

Özellikler
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)9.5 - 11.5 µm
Layer thickness150 - 200 µm
Deviation of layer thickness per plate≤ 30 µm
Chromatographic testings:
A) Cholesterin test
hRf-values
- cholesterin, cholesterin test
28 - 36
B) Steroid test
- methyltestosterone, steroid test16 - 26
- Reichstein S, steroid test30 - 40
- hydrocortisone, steroid test42 - 52
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)
105560.0001

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EC Numarası: 204-617-8

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EC Numarası: 202-423-8

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