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Chromatography 9


New Topaz GC Inlet Liners Delivers the Next Level of True Blue Performance


The revolutionary new deactivation technology used for every Topaz GC inlet liner delivers unbelievably low breakdown for accurate and precise low-level GC analyses. Unbeatable manufacturing controls and a battery of industry-specifi c QC testing ensure that every lot exhibits superior reliability and reproducibility across a broad range of compound classes. In addition, Topaz liners are shipped in packaging developed for unparalleled cleanliness to maximise GC uptime and lab throughput for the ultimate in productivity.


In short, Topaz GC inlet liners from Restek feature inertness and performance you have to see for yourself to believe, which is why free samples are readily available upon request. Simply contact Restek or your local Restek representative to let a Topaz liner prove itself in your instrument.


Topaz liners are available in a full range of geometries and confi gurations for every instrument in your lab, regardless of the brand or manufacturer, and they are backed by Restek’s 100% Pure Satisfaction guarantee. If a liner doesn’t perform to your expectations, Restek will replace it or credit your account.


Step away from the frustration and uncertainty of ordinary liners, expect more, every time, with new Topaz GC inlet liners. 41981pr@reply-direct.com


Sciencix’s HPLC performance maintenance kits are equivalent to the corresponding OEM kits.


According to the company, the kits contain essential parts to keep HPLC systems performing at an optimal level.


Fast, Simple, DIRECT. When you’ve read something in this journal that interests you and want to know more. ADVERTORIAL Manufacturer of Premium Chromatography Media


For more than a century MACHEREY-NAGEL stands for high quality, innovation and reliability in chemical and bioanalysis. The company is one of the leading manufacturers of products for separation science, fi ltration, water analysis and nucleic acid purifi cation.


MACHEREY-NAGEL entered the ‘chromatography stage’ in the 1950s by launching fi lter papers for paper chromatography, an analytical method which today is commonly regarded as a kind of pre-historic TLC. From then on TLC became one of the main research areas of the company. MACHEREY-NAGEL started pioneering work in Thin-Layer-Chromatography and is still manufacturing glass plates, as well as aluminium and plastic sheets coated with silica gels and other sorbents for TLC and HPTLC. For more information, visit www.mn-net.com/TLC.


One decade later innovative chemists at MACHEREY-NAGEL developed NUCLEOSIL® technology, named ‘HPLC’. NUCLEOSIL®


columns with various C18 , one of the fi rst spherical silica gels, intended to be packed in stainless steel columns for a young but emerging separation modifi cations are still reliable workhorses and validated in many drug testing methods.


But this was just the beginning… In the recent years new highly pure and ultra-spherical HPLC and UHPLC silica gels followed. Today the product range of totally porous NUCLEODUR® NUCLEOSHELL®


The NUCLEODUR®


columns comprise more than 25 stationary phases, targeted to daily routine analysis as well as for method development in HPLC. portfolio includes robust RP phases such as the well-established C18


Gravity or the extra polar C18 π2


In order to meet the growing demands on saving analysis time and solvent costs, MACHEREY- NAGEL expanded the program by adding core- shell silica phases with 2.7 and 5 µm particle size. NUCLEOSHELL®


Gravity-SB. C18 , provides new options to improve selectivity for aromatic and unsaturated compounds. Pyramid and C18 and fused-core PolarTec are qualifi ed to withstand mobile phases with


high water contents up to 100%. Columns with unique selectivities like Sphinx RP, pentafl uorophenyl or hydrophilic HILIC round off the spectrum of innovative and modern HPLC phases. The recently introduced biphenyl phase NUCLEODUR®


42011pr@reply-direct.com


HPLC Performance Maintenance Kits


reversed phase and HILIC columns


enable signifi cantly shorter run times at moderate column back pressures and set new effi ciency standards in research and quality control. For more information, visit www.mn-net.com/HPLC.


A careful sample preparation is often a prerequisite for fi rst class separation results. Classical CHROMABOND® silica gel phases with various modifi cations (e.g. C18 C8


, , NH2 , OH, CN) and polymeric resins are widely


used in environmental analysis, food safety control or clinical application. The CHROMABOND®


HR-Xpert


line of polystyrene-divinyl based RP and mixed- mode ion-exchange resins offers a full toolbox of innovative SPE products providing excellent recovery results of neutral, acidic and basic analytes. Columns for special applications, e.g. CHROMABOND® for drug analysis or CHROMABOND®


Drug NAN for PCB


analysis serve important application areas in forensic and environmental analysis. The latest launches CHROMABOND®


and CHROMABOND®


PL for the removal of phospholipids Carbon A for analysing


acrylamide in drinking water supplement the steadily growing range of innovative SPE tools. For more information, visit www.mn-net.com/SPE.


ww.mn-net.com www.mn-net.com


· Neumann-Neander-Str. 6–8 · 52355 Düren · Deutschland DE / International:


CH:


1: 2008 IERT


+41 62 388 55 00 +41 62 388 55 05


: sales-ch@mn-net.com


Tel.: +49 24 21 969-0 Fax: +49 24 21 969-199 E-Mail: info@mn-net.com


A wide range of applications are freely accessible online www.mn-net.com/apps.


Tel.: +33 388 68 22 68 Fax: +33 388 51 76 88 E-Mail: sales-fr@mn-net.com


EN ISO 9001: 2008 ZERTIFIZIERT


Tel.: +41 62 388 55 00 Fax: +41 62 388 55 05 E-Mail: sales-ch@mn-net.com


Tel.: +49 24 21 969-0 Fax: +49 24 21 969-199 E-Mail: info@mn-net.com


Tel.: +33 388 68 22 68 Fax: +33 388 51 76 88 E-Mail: sales-fr@mn-net.com


Tel.: +41 62 388 55 00 Fax: +41 62 388 55 05 E-Mail: sales-ch@mn-net.com


41847pr@reply-direct.com


MACHEREY-NAGEL GmbH & Co. KG · Neumann-Neander-Str. 6–8 · 52355 Düren · Deutschland FR:


FR: CH:


MACHEREY-NAGEL provides comprehensive service and individual solutions for analytical separation tasks. The company operates worldwide through its own subsidiaries or with qualifi ed and in-house trained distributors.


FR: n CHROMABOND® SPE columns


n NUCLEOSIL®, NUCLEODUR® and NUCLEOSHELL® HPLC columns


n TLC plates and sheets Find what you are looking for!


MACHEREY-NAGEL Manufacturer of premium chromatography media


MACHEREY-NAGEL GmbH & Co. KG · Neumann-Neander-Str. 6–8 · 52355 Düren · Deutschland DE / International:


Tel.: +33 388 68 22 68 Fax: +33 388 51 76 88 E-Mail: sales-fr@mn-net.com


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www.mn-net.com


www.mn-net.com www.mn-net.com


WWW.LABMATE-ONLINE.COM


Chromatography


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