1.15037
HPTLC plates, Silica gel 60 RP-18 with concentrating zone 20 x 2.5 cm
pkg of 25 plates, plate L × W 20 mm × 10 cm, according to DIN 38409-H13, glass support
Sinonimo/i:
High Performance TLC Plates
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About This Item
Codice UNSPSC:
41115711
Prezzi e disponibilità al momento non sono disponibili
Prodotti consigliati
Materiali
glass support
silica gel 60 matrix
Livello qualitativo
agenzia
according to DIN 38409-H13
Caratteristiche
binder Organic Polymer
fluorescent indicator: no
Classi chimiche degli analiti
PAHs
Confezionamento
pkg of 25 plates
tecniche
HPTLC: suitable
Spessore strato
150-200 μm
Lungh. × largh. lastra
20 mm × 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 20 x 10 cm for PAH determination acc. to DIN 38409-H13
These plates allow users to quickly and easily apply any kind of sample, even large volumes of diluted samples. Our concentrating zone plates are based on different adsorption properties of two adsorbents. The first is a large pore concentrating adsorbent where the samples are applied; the second is a selective layer for separation. Regardless of the spots’ shape, size, or position, the sample always concentrates as a narrow band where the two adsorbents overlap and where the separation starts. These plates allow users to quickly and easily apply any kind of sample, even large volumes of diluted samples.
Linkage
Replaces: 15037-6; 15037
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
layer thickness concentrating zone: 70 - 110 µm
Fluctuation in the thickness of the concentration zone: ≤ 35 µm
Chromatographic testings:
A) cholesterin test
hRf-values
- cholesterin, cholesterin test:
11 - 23
B) Steroide test
- methyltestosterone, steroid test: 20 - 40
- Reichstein S, steroid test: 50 - 70
- hydrocortisone, steroid test: 65 - 85
Typical value determined on a activated plate (120°C, 15 min)
Eluent a) acetone/ 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
layer thickness concentrating zone: 70 - 110 µm
Fluctuation in the thickness of the concentration zone: ≤ 35 µm
Chromatographic testings:
A) cholesterin test
hRf-values
- cholesterin, cholesterin test:
11 - 23
B) Steroide test
- methyltestosterone, steroid test: 20 - 40
- Reichstein S, steroid test: 50 - 70
- hydrocortisone, steroid test: 65 - 85
Typical value determined on a activated plate (120°C, 15 min)
Eluent a) acetone/ water (95/5 v/v)
Eluent b) acetonitrile/ water (70/30 v/v)
Certificati d'analisi (COA)
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