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连桥生物
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上海连桥生物科技有限公司
优势供应美国安捷伦色谱光谱耗材配件,安捷伦色谱柱、安捷伦毛细管色谱柱、安捷伦液相色谱柱、安捷伦高效液相色谱柱、安捷伦填充柱、安捷伦气相色谱柱、安捷伦萃取小柱、安捷伦进样针、安捷伦色谱瓶样品瓶顶空瓶、安捷伦调谐液、安捷伦标准溶液、安捷伦进样瓶盖、安捷伦顶空瓶盖、安捷伦衬管、安捷伦氘灯、安捷伦钨灯、安捷伦空心阴极灯、安捷伦石墨管、安捷伦采样锥截取锥、安捷伦炬管中心管、安捷伦气质灯丝、安捷伦捕集阱、安捷伦火花塞组件、安捷伦过滤器、安捷伦单向阀等,保证原装正品,价格优惠!
833975-202SB-C18色谱柱正品Agilent总代理
上海连桥生物科技有限公司专营代理进口国产实验室分析检测设备及耗材。致力成为向科学工作者提供常规实验室基础设备、通用分析仪器、实验室耗材、光谱标样、原子吸收光谱耗材、气相液相色谱耗材,标准溶液试剂、工业环境试验设备、工业测试设备等科研检测产品的一站式集成服务供应商。经营代理的品牌包括:美国PE、安捷伦、戴安、热电、沃特世、岛津、瓦里安、耶拿。
833975-202SB-C18色谱柱正品Agilent总代理
| G8400-67002 | AGILENT | AA | Extraction-Omega lens assy 7900 w/s-lens | ||||
| G8400-67003 | AGILENT | AA | Screw + spacer kit, 7900 ICP-MS w/x-lens | ||||
| G8400-67026 | AGILENT | AA | Dilution nozzle, UHMI, 7900 ICP-MS, 1/pk | ||||
| G8400-67850 | AGILENT | AA | ORS cell assembly Pb-Free for 77/79/8800 | ||||
| G8400-90000 | AGILENT | AA | 7900 Series ICP-MS Hardware Manual | ||||
| G8400-90001 | AGILENT | AA | Periodic table sheet, 100/pk | ||||
| G8400-96000 | AGILENT | AA | 7900 Series ICP-MS Hardware Manual (JP) | ||||
| G8410-40004 | AGILENT | AA | Tube anchor for SPS 4 autosampler, 2/pk | ||||
| G8410-40005 | AGILENT | AA | Cable ducting for SPS4 autosampler, 1/pk | ||||
| G8410-60180 | AGILENT | AA | Nebulizer probe mount kit SPS4 a/sampler | ||||
| G8410-68260 | AGILENT | AA | High Uptake Volume Rinse Kit For SPS 4 | ||||
| G8410-68261 | AGILENT | AA | SPS4 Rinse Tube Kit For Low Volatile Org | ||||
| G8410-68262 | AGILENT | AA | Pump Drain Kit For SPS4 Autosampler, 1/p | ||||
| G8410-80100 | AGILENT | AA | SPS 4 probe 0.25mm-id inert, FEP sleeved | ||||
| G8410-80101 | AGILENT | AA | SPS 4 probe 0.5mm-id inert, FEP sleeved | ||||
| G8410-80102 | AGILENT | AA | SPS 4 probe 0.8mm-id inert, FEP sleeved | ||||
| G8410-80103 | AGILENT | AA | SPS 4 probe 1.0mm-id inert, FEP sleeved | ||||
| G8410-80104 | AGILENT | AA | SPS 4 probe 1.2mm-id inert, FEP sleeved | ||||
| G8410-80105 | AGILENT | AA | Sample probe, suits SPS4 Microtiter tray | ||||
| G8411-67002 | AGILENT | AA | Gas tubing kit for valve of ISIS 3 | ||||
| G8411-67111 | AGILENT | AA | ISIS valve rotor seal replacement kit | ||||
| G8411-67113 | AGILENT | AA | ISIS valve assembly kit | ||||
| G8411-67114 | AGILENT | AA | ISIS 3-way valve assembly kit,1/pk | ||||
| G8411-67115 | AGILENT | AA | Piston pump seal replacement kit,ISIS | ||||
| G8411-67116 | AGILENT | AA | Piston pump seal installation tool,ISIS | ||||
| G8411-67117 | AGILENT | AA | PFA sample tubing 1.0mm id 1/16 in od,5m | ||||
| G8411-67118 | AGILENT | AA | PFA sample tubing 2.18mm id 1/8 in od,5m | ||||
| G8411-68201 | AGILENT | AA | ISIS3 preconfigured kit discrete samples | ||||
| G8411-80115 | AGILENT | AA | ISIS piston pump,1/pk | ||||
| G8411-80119 | AGILENT | AA | PEEK nut for pump OF ISIS 3, 1/pk | ||||
| G8420-60700 | AGILENT | AA | ORS Cell Assembly for 7800 ICP-MS | ||||
| G8479-20020 | AGILENT | AA | MSIS nebulizer bushing (with O-rings) | ||||
| G8479-60100 | AGILENT | AA | MSIS drain tube assembly, 1/pk | ||||
| G8479-60300 | AGILENT | AA | MSIS reaction cone assembly, 1/pk | ||||
| G8479-67000 | AGILENT | AA | O-rings for MSIS nebulizer bushing, 1 Pr | ||||
| G8479-68000 | AGILENT | AA | Accessory kit, MSIS for axial ICP-OES | ||||
| G8479-68001 | AGILENT | AA | Accessory kit, MSIS for radial ICP-OES | ||||
| G8479-68100 | AGILENT | AA | MSIS reagent tubing kit, 1/pk | ||||
| G8484-60101 | AGILENT | AA | SVS 1+ 4-Port Valve Assembly 1/pk | ||||
| G8485-60518 | AGILENT | AA | SVS2 Sample Loop Kit (4.0mL), 1/pk | ||||
| G8485-81001 | AGILENT | AA | Mounting Brkt, SVS2+ Pump 700 Axial ICP | ||||
| G8493-60000 | AGILENT | AA | Spare valve, 4 port, 2 position for AVS4 | ||||
| G8493-60002 | AGILENT | AA | Rotor seal for 4 port valve for AVS4 | ||||
| G8493-60003 | AGILENT | AA | Stator + rotor for 4 port valve for AVS4 | ||||
| G8494-60000 | AGILENT | AA | Spare valve, 6 port, 2 position for AVS6 | ||||
| G8494-60002 | AGILENT | AA | Rotor seal for 6-7 port valve for AVS6/7 | ||||
| G8494-60003 | AGILENT | AA | Stator + rotor for 6 port valve for AVS6 | ||||
| G8494-60004 | AGILENT | AA | Mounting clamp AVS 4/6/7 Switching Valve | ||||
| G8495-60000 | AGILENT | AA | Spare valve, 7 port, 2 position for AVS7 | ||||
| G8495-60003 | AGILENT | AA | Stator + rotor for 7 port valve for AVS7 | ||||
| G9820-60000 | AGILENT | AA | Loom - Cary 1/3 D2 lamp extension |
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文献和实验以非那西丁为探针采用高效液相色谱法快速测定细胞色素P450 1A2的酶活性
【摘要】 目的建立一种快速、高效的以非那西丁作为探针药物评价细胞色素P450 1A2(CYP1A2)酶活性的高效液相色谱-紫外检测方法。方法色谱柱为Agilent Zorbax SB-C18柱(50 mm×4.6 mm I.D.,5 μm);流动相为乙腈-水(含0.01%七氟丁酸),梯度洗脱,流速2.0 ml・min-1;检测波长为244 nm。非那西丁与人CYP1A2酶在37 ℃温孵适当时间后,加入50 μl乙腈终止反应,10 000 g离心后取上清液进样分析测定。结果对乙酰
sample manager和ZQ MS, 同时做自动进样并通过MS或UV信号自动收集馏分。这样可以过夜自动运行。最大通量每天可以处理100-200个样品。 2 问: 如何用制备色谱柱制备低含量的杂质? 制备色谱柱为Zorbax SB-C18 9.4*250mm及gilson馏分收集器,色谱仪为Agilent 1100或LC-6A。想用其制备面积归一化法含量为0.05%左右的杂质,初步提纯后用高分辨的LC-MS进行定性分析。如何设定色谱条件,如流量,进样量,样品的浓度,切割点的设置,是否要浓缩
100-200个样品。 2 问: 如何用制备色谱柱制备低含量的杂质? 制备色谱柱为Zorbax SB-C18 9.4*250mm及gilson馏分收集器,色谱仪为Agilent 1100或LC-6A。想用其制备面积归一化法含量为0.05%左右的杂质,初步提纯后用高分辨的LC-MS进行定性分析。如何设定色谱条件,如流量,进样量,样品的浓度,切割点的设置,是否要浓缩,要求将95%以上的主峰切除。(主峰后有二个杂质*得很近。) 答: [vihig] [davvy
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