1.11845

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

pkg of 25 plates, plate L × W 20 cm × 20 cm, glass support

• 同義詞: Analytical TLC Plates with Zone
• 分類程式碼代碼: 41115711
• NACRES: NB.21

屬性

• 材料: glass support; silica gel 60 matrix
• 品質等級: 100
• 特點: binder Organic Polymer; fluorescent indicator: no
• 包裝: pkg of 25 plates
• 技術: thin layer chromatography (TLC): suitable
• 層厚度: 250 μm
• 板長度 × 寬度: 20 cm × 20 cm
• 粒徑: 10-12 μm
• 孔徑: 60 Å medium pore diameter
• 儲存溫度: 2-30°C

描述

一般說明

25 Glass plates 20 x 20 cm

聯結

Replaces: 11845-7; 11845

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): 9.7 - 11.7 µm
Layer thickness: 170 - 250 µm
Deviation of layer thickness per plate: ≤ 50 µm
layer thickness concentrating zone: 90 - 130 µm
Fluctuation in the thickness of the concentration zone: ≤ 35 µm
Chromatographic testing:
colour test
hRf-values
- bleu vif organol, colour test, lipophile:
15 - 21
- Ceres Black G, colour test, lipophile: 36 - 42
- ceres Violet brn, colour test, lipophile: 51 - 58
Typical value determined on a conditioned plate
Eluent: toluene (45% rel.humidity)