1.13726
HPTLC plates, Silica gel 60 RP-2 F₂₅₄s
pkg of 25 plates, plate L × W 10 cm × 10 cm, glass support
Sinonimo/i:
Reverse Phase Silica Gel 60 Plates
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About This Item
Codice UNSPSC:
41115711
NACRES:
NB.21
Prodotti consigliati
Materiali
glass support
silica gel 60 matrix
Livello qualitativo
Caratteristiche
binder Organic Polymer
fluorescent indicator
Confezionamento
pkg of 25 plates
tecniche
thin layer chromatography (TLC): suitable
Spessore strato
200 μm
Lungh. × largh. lastra
10 cm × 10 cm
Dimensione particelle
5-6 μm
Dimensione pori
60 Å medium pore diameter
Temperatura di conservazione
2-30°C
Descrizione generale
25 Glass plates 10 x 10 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.
Linkage
Replaces: 13726-5; 13726
Risultati analitici
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): 5 - 7 µm
Layer thickness: 150 - 200 µm
Deviation of layer thickness per plate: ≤ 35 µm
Chromatographic testings:
A) Cholesterin test
hRf-values
- cholesterin, cholesterin test:
77 - 89
B) Steroid test
- methyltestosterone, steroid test: 57 - 77
- Reichstein S, steroid test: 66 - 86
- hydrocortisone, steroid test: 70 - 90
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)
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
d 50 (laser diffraction, size distribution): 5 - 7 µm
Layer thickness: 150 - 200 µm
Deviation of layer thickness per plate: ≤ 35 µm
Chromatographic testings:
A) Cholesterin test
hRf-values
- cholesterin, cholesterin test:
77 - 89
B) Steroid test
- methyltestosterone, steroid test: 57 - 77
- Reichstein S, steroid test: 66 - 86
- hydrocortisone, steroid test: 70 - 90
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)
Certificati d'analisi (COA)
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