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材料
polypropylene tube
成份
bed wt., 100 mg
包裝
pk of 108
技術
solid phase extraction (SPE): suitable
容積
1 mL
基質
silica gel
基質活性組
WCX phase
carboxylic acid, Na+ counterion
直徑
40-45 μm
孔徑
60 Å
應用
food and beverages
分離技術
ion exchange
ion exchange
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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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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.
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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