1.05794

TLC plates, Silica gel 60 F₂₅₄

pkg of 100 plates, plate L × W 2.5 cm × 7.5 cm, glass support

• Sinônimo(s): Silica Gel 60 F₂₅₄ TLC Plates
• Código UNSPSC: 41115711
• NACRES: NB.21

Propriedades

• Materiais: glass support; silica gel 60 matrix
• Nível de qualidade: 100
• Características: binder Organic Polymer; fluorescent indicator
• embalagem: pkg of 100 plates
• técnica(s): thin layer chromatography (TLC): suitable
• espessura da camada: 250 μm
• placa C × L: 2.5 cm × 7.5 cm
• tamanho de partícula: 10-12 μm
• tamanho de poro: 60 Å medium pore diameter
• temperatura de armazenamento: 2-30°C

Descrição

Descrição geral

100 Glass plates 2,5 x 7,5 cm

Aplicação

• MSTFA as an Effective TMS Source for the TMSOTf-Catalyzed Synthesis of Cyclic Acetals: This study demonstrates the utility of 2,2,2-Trifluoro-N-methyl-N-(trimethylsilyl)acetamide as an effective trimethylsilyl donor in the synthesis of cyclic acetals, showcasing its role in facilitating catalyst efficiency and improving reaction conditions for organic synthesis within the realm of green chemistry practices (Radomkit et al., 2024).

Ligação

Replaces: 15341-1; 15341

Nota de análise

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 (laserdiffraction, size distribution): 9.7 - 11.7 µm
Layerthickness: 210 - 270 µm
Deviationof layer thickness per plate: ≤ 35 µm
Chromatographictesting:
A) colourtest
hRf-values
- bleu viforganol, lipophile: 11 - 25
- CeresBlack G, lipophile: 34 - 48
- ceresViolet brn, lipophile: 52 - 67
separationnumber (colour test, lipophile): ≥ 10.5
B)Steroid 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 plate
Eluent A) Toluene (45% rel. humidity)
Eluent B) Ethyl acetate/Toluene (95+5 v/v; 20% rel. humidity)