推荐产品
材料
polypropylene tube
品質等級
成份
bed A, 500 mg (Supelclean ENVI-Carb)
bed B, 500 mg (Supelclean LC-NH2)
包裝
pk of 20
技術
solid phase extraction (SPE): suitable
容積
20 mL
基質活性組
aminopropyl phase
carbon phase
應用
food and beverages
分離技術
ion exchange
reversed phase
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一般說明
样品基质相容性：有机或含水溶液
- 含 Supelclean ENVI-Carb（上层）和 LC-NH2（下层）固相萃取吸附剂（使用 PE 筛板隔开）的双层固相萃取管
- 用于在进行食品（如农产品、肉类等）中多种残留农药分析时实现最优的净化效果。
- ENVI-carb 对于极性分子具有强亲和性，并且可以分离/去除食品和天然产品中普遍存在的色素（例如叶绿素和胡萝卜素）
- Supelclean LC-NH2 为氨丙基相，可保留食品基质中普遍存在的脂肪酸、有机酸以及一些极性色素和糖类
法律資訊
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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商品
SPE retention mechanism in this case is based on the electrostatic attraction of charged functional groups of the analyte(s) to oppositely charged functional groups on the sorbent.
SPE retention mechanism in this case is based on the electrostatic attraction of charged functional groups of the analyte(s) to oppositely charged functional groups on the sorbent.
Reversed-phase interaction will retain most molecules with hydrophobic character; it is very useful for extracting analytes that are very diverse in structure within the same sample.
Reversed-phase interaction will retain most molecules with hydrophobic character; it is very useful for extracting analytes that are very diverse in structure within the same sample.
实验方案
Retention occurs through polar interaction between the sorbent and analytes. Typical sample matrices that can be employed in normal-phase SPE include hydrocarbon or fatty oils diluted in a solvent like hexane, isooctane, chlorinated solvent, THF, diethyl ether, or ethyl acetate.
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