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July 1, 2013


 Product Resources - High-Performance Liquid Chromatography

High-Performance Liquid Chromatography - New Platforms Save Time and Money

Many scientists separate solutions with high-performance liquid chromatography (HPLC). “With this technology and others, users need data faster,” says Michael Frank, PhD, analytical HPLC marketing manager at Agilent (Santa Clara, CA). Other factors must also be considered. Ade Kujore, marketing specialist at Cecil Instruments (Cambridge, UK), says, “Users require HPLC systems that are fast, sensitive, stable, and easy to operate, with wide dynamic ranges.” She adds, “The ability to efficiently perform robust method development and to produce consistently reliable, inter-laboratory data are also requirements of HPLC systems.”

Learn more here

 Help Your Colleagues

Plenty of discussions are happening on LabWrench all the time. We have many questions come in daily from users that are seeking advice from fellow users and lab professionals on LabWrench. Can you help any of these users find the answers they are looking for?

Reddish powder on v-ring
I keep wiping off some reddish powder on the v-ring in my instrument. Upon droppoing the sample chamber, there was even a considerable amount of the same colored powder. Anyone else experience this? Help this member

Mettler PM4000
All of a sudden my Mettler PM4000 balance stays in the 'off' mode. It doesn't matter if I turn it off/on, tear it or try to get the menu to show, it simply stays in 'off'. What can I do? View this discussion

Clarus 600 error
Could someone tell me what to do if my Clarus 600 shows this errors: "CAR 1 PPC" & "SPL 1 PPC" I don't know what to do and the specialist can assist me in two weeks and I really need to work with the GC!! Recently we have some new errors: "TCD 2 Range set to 0" and "Carrier 1 Gas was off". Help this member

Pipette equipment suggestions
I am in need of a pipette pump, and glass pipettes for measuring and mixing together various food grade flavorings, that is more precise, and quicker, than what I am currently using. View this discussion

View all Questions and Discussions on LabWrench

 Have A Question??

 Products of Interest

Hach DR 3900 Benchtop Spectrophotometer

Built with the future of water analysis in mind, the DR 3900 gives consistently accurate results in a simpler testing format with fewer steps. Quicker tests will lead to cost savings and more time for you to set your facility up for success.

Learn more


NuAire Fumegard 156

The FumeGard 156 Vertical Laminar Airflow Fume Hood for high acid and trace metal analysis meets NSF / ANSI Standards for personnel, product, and environmental protection through HEPA filtration. Durable polypropylene construction is rust resistant.

Learn more

 Company News Hot Off The Press

GE Healthcare launches Superdex™ 200 Increase size exclusion chromatography columns
Superdex™* 200 Increase size exclusion chromatography columns are designed for both preparative and analytical purposes for a broad range of biomolecules, enabling higher purity and improved protein analysis. The columns deliver up to double the resolution or retained resolution in half the time, depending on the conditions selected and the molecule. Read more

Smart & Compact Programmable Peristaltic Pump
DOSE IT is an intuitive programmable peristaltic pump that simplifies the dispensing of cell culture media, buffers and other solutions for volumes ranging from 0.1mL to 999mL. DOSE IT features a very small footprint and weighs only 3.5Kg making it a perfect device for bench-top or in-hood dispensing applications. Read more

PolyScience Performance Programmable Circulating Baths
A line of highly sophisticated circulating water baths that makes it simple to create and run multi-step ramp and soak temperature programs as well as frequently used single temperature testing protocols is available from PolyScience. Read more

 Upcoming Free Webinar

 Thursday July 18, 2013 12:00 p.m. - 1:00 p.m. ET

 Sponsored by:

 Featured Sponsor

Thank you to BERTHOLD TECHNOLOGIES for sponsoring our Microplate Technology categories on LabWrench

BERTHOLD's knowledge and experience in physics and in the techniques of highly sensitive detection of light, nuclear radiation and microwave frequencies, together with the use of modern electronics and software, allows them to maintain their excellent and longstanding reputation as a competent partner in solving diverse and difficult measurement problems, and as a supplier of innovative and up-to-date instruments of the highest quality and reliability. To be on such a high level of knowledge and experience, more than 10% of their sales revenues are spent on research and development, assisted by close ties with several European universities and research institutes in Germany and abroad. This ensures that innovation for the benefit of their customers continues to be the focus of their attention.

Visit their website to learn more about their products

 Questions From The Vault

We have so many questions filling our forums that sometimes questions can be missed and go without answers. Can you help us provide answers for these users with unanswered questions?

002 error out of the range
When we give the water blank to the machine it will give us the water filled blank, it wont allow us to see the lamp obserbance, when we check the obserbance of the lamp it gives this kind of 002 error out of range. Provide an answer

Quantum exchange even new cartridge installed
I replaced a new cartridges for millipore direct q-5 the progard and softener but machine still has a message "quamtum exchange" is there any other way to remove this message? Provide an answer

No sample aspirated Fluidic diagram needed
Would someone have a copy of fluidics diagram to help me troubleshoot this problem? Provide an answer

 Contact Us

Kylie Sauvé -
LabWrench Manager

Claudette Armstrong -
LabWrench Sales Representative



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