
Hóa chất Silica gel 60 f254 25 tlc plates 5 x 20 Merck 1058080001 (Hộp 25 chiếc) DEEP52 https://yeuhangduc.vn/
5,026,478₫
Mô tả
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: 210 - 270 µm
Deviation of layer thickness per plate: ≤ 35 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
