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一般描述
25 Glass plates 20 x 20 cm
Reference:
Gertrud Morlock, Wolfgang Schwack
Coupling of planar chromatography to mass spectrometry
TrAC Trends in Analytical Chemistry, Volume 29, Issue 10, 2010, Pages 1157-1171
Gertrud Morlock, Wolfgang Schwack
Coupling of planar chromatography to mass spectrometry
TrAC Trends in Analytical Chemistry, Volume 29, Issue 10, 2010, Pages 1157-1171
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): 9.7 - 11.7 µm Layer thickness: 170 - 220 µm
Chromatographic testing:
A) colour test
hRf-values
- bleu vif organol, lipophile: 11 - 25
- Ceres Black G, lipophile: 34 - 48
- ceres Violet brn, lipophile: 52 - 67
separation number (colour test, lipophile): ≥ 10.5
Typical value determined on a conditioned plate
Eluent A) Toluene (45% rel. humidity)
B) ESI-MS suitability test
Caffeine (signal-to-noise ratio 5ng): ≥ 25
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
d 50 (laser diffraction, size distribution): 9.7 - 11.7 µm Layer thickness: 170 - 220 µm
Chromatographic testing:
A) colour test
hRf-values
- bleu vif organol, lipophile: 11 - 25
- Ceres Black G, lipophile: 34 - 48
- ceres Violet brn, lipophile: 52 - 67
separation number (colour test, lipophile): ≥ 10.5
Typical value determined on a conditioned plate
Eluent A) Toluene (45% rel. humidity)
B) ESI-MS suitability test
Caffeine (signal-to-noise ratio 5ng): ≥ 25
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