Quality Level
material
PE frit (20 μm), polypropylene
composition
bed wt., 250 mg
packaging
pk of 30
technique(s)
solid phase extraction (SPE): suitable
volume
6 mL
impurities
<5% Water content
matrix
polyamide resin base material
matrix active group
amide, poly- phase
particle size
50-160 μm
pH range
4.5-7.5(surface pH)
bulk density
0.2‑0.3 g/mL
application(s)
food and beverages
separation technique
reversed phase
General description
助留机理：反相
样品基质相容性：水溶液或甲醇溶液
样品基质相容性：水溶液或甲醇溶液
- 聚酰胺树脂：粒度：50-160μm，表面 pH：4.5-7.5，密度：0.2-0.3cm3/g，含水量：< 5%
- 用于按照反相机理，通过化合物羟基基团与树脂的酰胺基团之间的强烈的氢键作用，从水溶液或甲醇溶液中吸附极性化合物（-OH 基团，尤其是酚醛化合物）
- 用于萃取单宁、叶绿素、腐殖酸、药理活性的类萜、黄酮类、没食子酸、儿茶酚 A、原儿茶酸和间苯三酚
- 也用于萃取芳族羧酸和硝基芳香化合物
- 不可逆地保留苯醌
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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商品
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.