产品名称
Discovery® DSC-SCX 固相萃取管, bed wt. 2 g, volume 12 mL, pk of 20
material
polypropylene tube
composition
bed wt., 2 g
packaging
pk of 20
technique(s)
solid phase extraction (SPE): suitable
surface area
480 m2/g
volume
12 mL
matrix
Silica gel base material (irregularly shaped, acid washed)
matrix active group
sulfonic acid bonding
particle size
50 μm
pore size
0.9 mL/g pore volume
70 Å pore diameter
capacity
0.8 meq/g total capacity
Quality Level
application(s)
food and beverages
separation technique
ion exchange
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General description
助留机理:阳离子交换
样品基质相容性:有机溶液或水溶液
样品基质相容性:有机溶液或水溶液
- 多点键合的苯磺酸官能团,pKa (< 1.0)
- 反离子为 H+
- 硅胶基体可与强有机溶剂一起使用(不会收缩/溶胀)
- 极好的离子交换容量用于净化组合化学反应的溶液相(0.8 毫当量/克)(从反应副产物和多余试剂中移除目标分子)
- 当从水溶液基质中提取阳离子时,应考虑苯环的存在,它能够提供混合模式作用能力(疏水相互作用)
Legal Information
Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 2 - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1A - Skin Sens. 1
存储类别
4.1B - Flammable solid hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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实验方案
Melamine was extracted from milk using Supelco® Discovery® DSC-SCX SPE tubes. Analysis was performed by HPLC, using an Ascentis® Express HILIC column.
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