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August 5, 2013


 Product Resources: HPLC Columns

HPLC Columns: Following Trends in End-User Markets

Véronique Marceau, product manager for chromatography and purification at SiliCycle (Quebec, PQ), says that trends in HPLC column technology closely follow those in the pharmaceutical industry. Specifically, vendors continue to develop stationary phases that are suitable for analyzing biomolecules— peptides, proteins, and genes—in complex matrices.

“The industry has had to come up with new materials, stationary phases, and formats,” Marceau says. SiliCycle specializes in functionalized silicacore column materials.

Learn more

 Product of Interest

Open the door to comfort with the Purifier® Logic®+ Biosafety Cabinet.

Labconco's Logic+ was designed for the human body and normal human habits, with built-in comfort that goes beyond ergonomics. Experience less fatigue, fewer distractions, more comfort AND a greater ROI.

  • Total comfort
  • Effortless operation
  • Maximum safety

Click here to learn more.

 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?

Not stable-Filtering
Balance unstable in environment Customer has two other hr-73 balances work just fine on medium filter setting.This balance won't calibrate due to instability even on high filter setting Is there a way to increase filtering maybe pot on board or resistor or service settings? This balance will calibrate when moved to a more stable environment.Any help would be appreciated. Help this member

Compressed air for Q800
They are using 55 PSI compressed air for the machine despite, the fact the operation info specifies 65 PSI. I have pointed this out and they are reluctant to change, even though I am told that they have the capability. So my questions relate to the consequences of the low input compressed pressure. What effects on the instrument? What effects on the data? Help this member 

Sulfite and Sulfate
We measured sulfite in food samples on CD to detect. We run 3 types of standard, first was sulfite, second was sulfate and third was sulfite + sulfate and each standard was run at 5 and 10 ppm. But we just saw only significant peak. We guess that peak of sulfite stay on same peak of sulfate. So, does anyone have experience on sulfite measuring? can you give me any idea about that? I also read an artical which they measured sulfite on ED not CD and use disposal pt electrode on ph Ag/AgCl reference. But we dont have this pt electrode, and we try to test on CD. Help this member 

View all Questions and Discussions on LabWrench

 Have A Question??

 Company News Hot Off The Press

Quintix®: New Sartorius lab balance redefines the meaning of easy for standard lab applications
Sartorius has launched a user-friendly, highly accurate standard laboratory balance on the market: Quintix®. Its intuitive operating design guides users fast with fail-safe confidence through the many weighing applications built into the balance, helping to enhance laboratory workflows. Read more

Mystaire Misonix announces the release of the Aura ESD
Mystaire® Misonix® is pleased to announce the release of the complete range of Aura® ESD ductless chemical fume hoods designed for electrostatic-sensitive applications. Aura®’s superior user protection against toxic fume exposure has been combined with electrostatic dissipative features to prevent static build-up and discharge. Read more

Thermo Scientific launches new automated stainer for high throughput staining
Gemini AS has an all-new touchscreen interface that is intuitive to use and makes day-to-day operation simplicity itself. A glance is all that is needed to check the batch stain progress. New LED lighting allows the operator a clear view of what is going on inside the staining area. Read more

A new generation of safe and reproducible liquid distribution from WHEATON
WHEATON® introduces the Calibrex™ organo 525 and the Calibrex™ solutae 530, new bottle top dispensers that are destined to make scientists’ lives easier and more productive. Both models smoothly dispense exact volumes of liquid reagents directly from bottle or flask. Read more

View all news articles on LabWrench

 Sponsor of the Week

Thank you to Blue Coat for sponsoring the Basic Lab category on LabWrench

Blue coat services is your complete solution for any lab equipment services. They provide calibrations, troubleshooting, repair services, and preventative maintenance to a huge list of laboratory equipment. Big or small, they’re there to help!

A division of Cen-Med Enterprises, blue coat services employs highly trained and qualified lab repair technicians. Their main goal is to provide their customers with better cost savings, better efficiency, increased accuracy, time savings, preventative maintenance, proper maintenance and repair, all at competitive prices. Repair and maintenance procedures also help to keep devices operating at their peak levels, as continual use often causes equipment to lose their durability and functionality over time.

Click here to learn more

 Upcoming FREE Webinar

 Tuesday August 20, 2013 1:00 p.m. - 2:00 p.m. ET

 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?

Little to pressure when on with slow exhaust on.
Step by step according to manual and temp is almost reached but pressure lingers at 4-7, all water is gone after about 25-35 min. What am i doing wrong? Please help! Provide an answer

Medica EasyLyte
What does mv range K means? Is it below or over the measured electrode range? Provide an answer

FID will not light
The FID will not light. We have been told by Agilent that it could be the flame tip or the ignitor. We were sent the manual showing the TSD, and told to try and light it by hand with a lighter to see which problem it may be. The issue for us is: our TSD has a very small glass flame tip shaped top where the manual shows the ceramin insulators and collector. Anyone know what that glass tip is, and if it should be removed? Provide an answer

 Contact Us

Kylie Sauvé -
LabWrench Manager

Claudette Armstrong -
LabWrench Sales Representative



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