1.11844

TLC plates, Silica gel 60 with concentrating zone 10 x 2.5 cm

pkg of 50 plates, plate L × W 20 cm × 10 cm, glass support

• Synonym(e): Silica Gel TLC Plates with Concentrating Zone
• UNSPSC-Code: 41115711
• NACRES: NB.21

Eigenschaften

• Materialien: glass support; silica gel 60 matrix
• Qualitätsniveau: 100
• Leistungsmerkmale: binder Organic Polymer; fluorescent indicator: no
• Verpackung: pkg of 50 plates
• Methode(n): thin layer chromatography (TLC): suitable
• Schichtdicke: 250 μm
• Platte L × B: 20 cm × 10 cm
• Partikelgröße: 10-12 μm
• Porengröße: 60 Å medium pore diameter
• Lagertemp.: 2-30°C

Beschreibung

Allgemeine Beschreibung

50 Glass plates 10 x 20 cm

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.

Verlinkung

Replaces: 11844-6; 11844

Hinweis zur Analyse

Spezifische Oberfläche (nach BET; 5-Pkt. Messung): 480 - 540 m²/g
Porenvolumen (N₂-Isotherme): 0.74 - 0.84 ml/g
d 50 (Laserbeugung, Kornanalyse): 10 - 12 µm
Schichtdicke: 170 - 250 µm
Dickenschwankung: ≤ 50 µm
Schichtdicke/Konzentrierungszone: 90 - 130 µm
Dickenschwankung der Konzentrierungszone: ≤ 35 µm
Anwendungstechnische Prüfung:
Farbstofftest
hRf-Werte
- Bleu VIF Organol, Farbstofftest, lipophil:
15 - 21
- Ceresschwarz G, Farbstofftest, lipophil: 36 - 42
- Ceresviolett BRN, Farbstofftest, lipophil: 51 - 58
Typischer Wert, gemessen an einer konditionierten Platte
Eluent: Toluol (45% rel. Feuchte)