NUCLEOSIL C6H5 苯基柱
NUCLEOSIL C6H5 Nucleosil C6H5适合分析反相或离子对色谱分析中等级性的化合物 Nucleosil 高性能硅胶,特殊技术键合,使C6H5键合相在水相介质中稳定不流失,保证柱子长寿命C6H5 的极性与C8相近,但对于多环芳烃、极性芳香类化合物、脂肪酸具有更好选择性 NUCLEOSIL? C6H5Phenyl modified silica phases for HPLCnot endcapped 8 % C USP L11FeaturesRelatively nonpolar phases for RP and ion pairing chromatographyAvailable pore sizes 100, 120, 300, 500 and 1000 ?, available particle sizes 5 μm and 7 μm, pH stability at 20 °C: 2–8 carbon content 8 %Polarity similar to C8, but with different selectivity for polycyclic aromatic hydrocarbons, polar aromatics, fatty acids etc.Separation mechanism based on π–π interactions and hydrophobic (van der Waals) interactions, some residual silanol interactionsFor applications click here. 产品应用:的分析应用编号: HPLC-101200色谱柱:Nucleosil 100-7 C6H5,250×4.0mm ID流动相: (A)甲醇:水=5:95+1%三乙基胺磷酸盐(PH=3.2) (B) 甲醇:水=80:30+1%三乙基胺磷酸盐(PH=3.95) 20分钟梯度洗脱100%(A)---100%(B),12分钟(B)流 速:1.5毫升/分钟检测器:UV 280nm样 品:1. 吗啡 2. 罂粟酸 3. 可待因 4. 蒂巴因 5. 甲基四氢罂粟碱 6. 隐品碱 7.那可丁 8. 那碎因 9. 罂粟碱作 者:Ayyangar N.R.(J.Chromatogr.)高效液相分析订货信息Eluent in column acetonitrile – waterLength -250 mmEC guard columns*CC guard columns**NUCLEOSIL 100-5 C6H5 particle size 5 μm4.6 mm ID720956.46721137.30721862.40NUCLEOSIL 100-7 C6H5 particle size 7 μm4 mm ID720019.404.6 mm ID720019.46Columns/pack133* EC 4/3 guard column cartridges are used for EC columns of 4 and 4.6 mm ID with the Column Protection System guard column holder (REF 718966).** CC8/4 guard column cartridges are used for EC columns of 4 and 4.6 mm ID with guard column adapter EC (REF 721359).Custom-packed EC columns with other dimensions are available on request.NUCLEOSIL C6H5 bulk packingsOrdering informationPhaseEndcappedCarbon contentPore sizeParticle sizePack of 10 gPack of 100 gNUCLEOSIL 100-5 C6H5 ecyes8 %100 A5 μm712311.10712311.100NUCLEOSIL 100-5 C6H5no8 %100 A5 μm712310.10712310.100NUCLEOSIL 100-7 C6H5no8 %100 A7 μm712340.10712340.100NUCLEOSIL 120-7 C6H5no6.5 %120 A7 μm712510.10712510.100NUCLEOSIL 300-7 C6H5no~ 3 %300 A7 μm712670.10712670.100NUCLEOSIL 500-7 C6H5no~ 2 %500 A7 μm712923.10712923.100NUCLEOSIL 1000-7 C6H5no~ 1 %1000 A7 μm712924.10712924.100