MERCK 105735.0001 TLC Silica gel 60 F254 25 Plastic Sheets 20x20 cm
| Description |
|---|
| Catalogue Number | 105735 |
| Replaces | 5735-7; 5735 |
| Overview | 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. |
| Product Information |
|---|
| HS Code | 3822 19 90 |
| Quality Level | MQ100 |
| Applications |
|---|
| Application | Plastic TLC plate, silica gel coated with flourescent indicator F254. The silica gel TLC plates come in a quantity of 25 size 20x20 cm for thin layer chromatography applications. |
| Safety Information according to GHS |
|---|
| Storage class | 10 - 13 Other liquids and solids |
| Storage and Shipping Information |
|---|
| Storage | Store at +2°C to +30°C. |
| Specifications |
|---|
| 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 sheetEluent A) Toluene (45% rel.humidity)Eluent B) Ethyl acetate/Toluene (95+5 v/v; 20% rel.humidity) |
| Global Trade Item Number |
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| Catalogue Number | GTIN |
|---|
| 1057350001 | 04022536068008 |
