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物料
PE frit (20 μm)
polypropylene
质量水平
组成
bed wt., 250 mg
包装
pk of 54
技术
solid phase extraction (SPE): suitable
体积
3 mL
杂质
<5% Water content
基质
polyamide resin base material
基质活性基团
amide, poly- phase
粒径
50-160 μm
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此商品 | 695041 | 258121 | 258113 |
---|---|---|---|
concentration 68.0-70.0% HNO3 | concentration - | concentration - | concentration - |
Quality Level 200, 300 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
agency meets USP/NF | agency - | agency - | agency - |
storage temp. room temp | storage temp. - | storage temp. - | storage temp. - |
pH <1 (20 °C in H2O) | pH - | pH - | pH - |
mp -32 °C | mp - | mp - | mp - |
一般描述
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
法律信息
Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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