material
polypropylene tube
composition
bed wt., 10 g
packaging
pk of 16
technique(s)
solid phase extraction (SPE): suitable
surface area
480 m2/g
volume
60 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
application(s)
food and beverages
separation technique
ion exchange
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
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signalword
Warning
hcodes
Hazard Classifications
Carc. 2
存储类别
11 - Combustible Solids
wgk
WGK 3
法规信息
新产品
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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.
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 52692-U | 04061833527085 |