产品说明
一般描述
Our classical silica TLC plates are based on a combination of our proven silica gel 60 and the addition of a unique polymeric binder resulting in a very adherent and hard surface that will not crack or blister and even allow writing with a pencil on the surface without risk to damage the layer.
25 Plastic sheets 20 x 20 cm
联系
Replaces: 5735-7; 5735
分析说明
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): 9.5 - 11.5 µm
Layer thickness: 175 - 225 µm
Deviation of layer thickness per plate: ≤ 40 µm
Chromatographic testings:
A) Colour test
hRf-values
- bleu vif organol, colour test, lipophile:
11 - 25
- Ceres Black G, colour test, lipophile: 34 - 48
- ceres Violet brn, colour test, lipophile: 52 - 67
separation number (colourtest, lipophile): ≥ 10.5
B) Steriod test
hRf-values
- hydrocortisone, steroid test:
25 - 37
- Reichstein S, steroid test: 37 - 49
- methyltestosterone, steroid test: 42 - 54
Typical value determined on a conditioned sheet
Eluent A) Toluene (45% rel.humidity)
Eluent B) Ethyl acetate/Toluene (95+5 v/v; 20% rel.humidity)
产品性质
| 物料 | plastic support silica gel 60 matrix |
| 质量水平 | 100 |
| 特点 | binder Organic Polymer fluorescent indicator |
| 包装 | pkg of 25 sheets |
| technique(s) | thin layer chromatography (TLC): suitable |
| 层厚度 | 200 μm |
| 薄片长度 × 宽度 | 20 cm × 20 cm |
| 粒径 | 10-12 μm |
| 孔径 | 60 Å medium pore diameter |
| 储存温度 | 2-30℃ |
