1.13728

HPTLC plates, Silica gel 60 F₂₅₄ with concentrating zone 20 x 2.5 cm

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

• 分類程式碼代碼: 41115711
• NACRES: NB.21

属性

• 材料: glass support; silica gel 60 matrix
• 品質等級: 100
• 特點: binder Organic Polymer; fluorescent indicator
• 包裝: pkg of 50 plates
• 技術: thin layer chromatography (TLC): suitable
• 層厚度: 150-200 μm
• 板長度 × 寬度: 20 cm × 10 cm
• 粒徑: 5-6 μm
• 孔徑: 60 Å medium pore diameter
• 儲存溫度: 2-30°C

说明

一般說明

50 Glass plates 20 x 10 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.

應用

Glass HPTLC Silica gel 60 F₂₅₄ with concentrating zone 20 x 2.5 cm plates. Silica gel HPTLC plates size 20 x 10 cm, 50 sheets.

聯結

Replaces: 13728-6; 13728

分析報告

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 testing:
colour test
hRf-values
- bleu vif organol, colour test, lipophile:
18 - 24
- Ceres Black G, colour test, lipophile: 39 - 46
- ceres Violet brn, colour test, lipophile: 59 - 66
Typical value determined on a conditioned plate
Eluent: toluene (45% rel. humidity)