网页2 Shop online store.shimadu.com or call Shimadu at 800-477-1227 Vial selection for an HPLC system is an important but often overlooked step. Several characteristics of vials and septa are critical for optimum performance in an
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网页2016年9月23日 · I'm used to inject each sample twice into HPLC-MS (including standards and real samples). The results suppose to be more or less the same. But in my case, it differs too much (for example, the
网页2021年12月21日 · Place the needle compression screw and ferrule onto the upper end of the needle. Align the four holes in the seal pack and the injector base, and insert the seal pack with needle into the injector base. Tighten the compression screw. Secure the seal pack to the injector base using the T10 Torx driver. Rotate the motor drive shaft to push the
网页Purge pump at high flow rate (e.g., 5-10 mL/min.), prime system if necessary. (Prime each pump head separately.) If system has check valve, loosen valve to allow air to escape. If problem persists, flush system with 100% methanol or isopropanol. If problem still persists, contact system manufacturer.
网页We provide a complete range of high-quality products for accurate, brilliant results in a variety of analytical applications, including HPLC, GC, Karl Fischer titration, elemental trace analysis, classical analysis, air monitoring, food and
网页Gray PTFE/Molded Black Butyl (Pharmafi x) Septa -20 +125 -4 +257 Black Rubber Septa -20 +100 -4 +212 *This septum is used for liquid injection. 20mm version is not available.
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网页Septa. A wide range of serrated and non-serrated septa, and sleeve stoppers are available for use as temporary closures for glassware joints, tubes, bottles, NMR tubes, ampules, and cannulation techniques in air-sensitive chemistry. To protect your valuable contents in the vessels or containers from the atmosphere, our range of septa provide
网页ND15 8ml HPLC Vials. 15mm screw thread caps, septa, and vials are designed especially for use with Aijiren's and other rotating or robotic arm samplers 8ml, 16.6X60mm vials are manufactured of Clear. Type 1 Class A or Amber, Type 1 Class B borosilicate glass. Please feel free to submit your inquiry information to us.
网页2016年7月1日 · Septa for Inlets. Arguably the most stressed-out parts of a GC system, inlet septa are tasked with maintaining a leak-tight seal between the atmosphere and carrier gas while not introducing significant contaminants into the carrier-gas stream-all of this while heated to upwards of 250 °C and being repeatedly punctured by sharp needles.
网页2009年3月17日 · New PRE-CUT Septa for HPLC Applications. Mar 17 2009. In HPLC often slitted or cross-slitted Silicone/PTFE Septa are used, in order to offer a penetration aid for
网页2021年6月18日 · Various grades and types of septa are available including septa specifically designed to minimise leachates into the sample solution. Figure 5: Comparison of the effect of wearing different laboratory glove types when preparing aqueous mobile phase for HPLC.
网页2015年3月1日 · When selecting a vial, cap and septum to contain analytical solutions, there are several factors to take into account. In most analyses, the cleanliness of the vial and the septum are most important. 1,2 With analyses where multiple injections of the same analyte (s) are performed over time, the ability of the septum to reseal is a consideration.
网页HPLC、UHPLC、GCでの試験に一般的に使用される溶媒の中には、セプタムの完全性に影響を与えるものがあります。 温度 キャップ付きサンプルバイアルを高温環境で使用す
