1.05635

HPTLC plates, Silica gel 60 F₂₅₄ Multiformat pre-scored to 5 x 5 cm

glass support, plate L × W 10 cm × 10 cm

• UNSPSC 코드: 41115711
• NACRES: NB.21

속성

• material: glass support; silica gel 60 matrix
• Quality Level: 100
• 특징: binder Organic Polymer; fluorescent indicator
• 포장: pkg of 25 plates
• 기술: thin layer chromatography (TLC): suitable
• 레이어 두께: 200 μm
• 플레이트 길이 × 너비: 10 cm × 10 cm
• 입자 크기: 5-6 μm
• 공극 크기: 60 Å medium pore diameter
• 저장 온도: 2-30°C

설명

일반 설명

These pre-scored glass plates fold into smaller formats with just one easy snap of the fingers.

ex Glass plates 10 x 10 cm

결합

Replaces: 5635-5; 5635

분석 메모

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): 5 - 7 µm
Layer thickness: 150 - 200 µm
Deviation of layer thickness per plate: ≤ 35 µm
Chromatographic testings:
A) Colour test
hRf-values
- bleu vif organol, colour test, lipophile:
17 - 22
- Ceres Black G, colour test, lipophile: 38 - 43
- ceres Violet brn, colour test, lipophile: 58 - 64
separation number
- colourtest, lipophile:
≥ 10.0
B) Steriod test
hRf-values
- hydrocortisone, steroid test:
23 - 29
- Reichstein S, steroid test: 36 - 45
- methyltestosterone, steroid test: 43 - 52
separation number
- steroid test:
≥ 10.5
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)