How Is Water Purity Tested? | Labwrench eNews | LabWrench

March 29, 2016
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RETSCH Ultra Centrifugal Mill ZM 200 - Application with Liquid Nitrogen

The Ultra Centrifugal Mill ZM 200 is a high speed rotor mill with unmatched performance. It is used for the rapid size reduction of soft to medium-hard and fibrous materials. Watch the video here.

Recently Asked Questions

PerkinElmer/LAMBDA 25/35/45 - Validation
How do you validate the Lambda 25 with potassium dichromate? I have a blank cell and a cell with potassium dichromate. The software should do most of the work, but I am having problems. My instrument has two cell holders. Should the validation cells be put in the forward holder, the rear holder, or both? Advise this member.

PerkinElmer/ELAN 6000 - Methane gas quick connect
I'm looking for a methane gas male quick connect for ELAN 6000. I'm not sure if there are different fittings for different gases. Advise this member.

EPPENDORF/Mastercycler - Enter option
I want to run a touch down PCR. Whenever I try changing the editor option, it doesn't work. Is there any other option to manipulate the setting? Advise this member.

Click here to view all Questions and Discussions on LabWrench.

Product of Interest

BRAND Dispensette® S Bottletop Dispensers from BrandTech® Scientific, Inc.


New BRAND Dispensette® S Bottletop Dispensers bring even more safety and convenience to dispensing virtually ANY laboratory liquid. Building on 50 years of leadership in dispensing technology, the new instruments have advanced features such as improved recirculation valves, faster priming, easier volume selection, elimination of seals for improved reliability, and even lower operation forces. A large variety of bottle adapters and accessories adapt the Dispensette® S to virtually any unpressurized application.

Models available for general purpose dispensing, organics and concentrated acids, and trace analysis.

Visit the BrandTech website to learn more




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 Mettler Toledo SB16001 Precision Balance
16,100 g at 0.1g readability / Warranty

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Featured Blog

How Is Water Purity Tested?

You use water for your experiments every day, but how much confidence do you have in its purity? Fortunately, you don’t have to check that it satisfies your needs each time you use it, as there are systems in place in most laboratories to make sure it is what it says on the tin. However, it’s still good to know how those tests are conducted, so that you can troubleshoot your experimental problems if you’re suspicious of your water. Regardless, as a scientist you may well find the testing process intriguing from a technical perspective.

Click here to read more from ELGA.

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Company News Hot Off The Press

Quantify Sub-Picogram Concentrations of dsDNA With New DeNovix Ultra High Sensitivity Fluorescence Quantification Kit
Single cell analysis, laser capture, circulating nucleic acid and tumour heterogeneity studies are among the key life science applications that challenge the limits of detection of existing technology. With costly downstream applications and limited sample availability, quick and accurate sample quantification is essential but challenging.  Read more.

The New Standard for Biomass Monitoring
Effective immediately, INFORS HT is solely responsible for the global distribution of aquila biolabs’ Cell Growth Quantifier (CGQ). The CGQ allows non-invasive online monitoring of biomass in shake flasks. The automatic measurements save time and provide a profound understanding of the bioprocesses, ensuring sustainable success of shake flask experiments. Read more.

Erlab launches Smart Technology - their latest innovation that makes life in the lab simpler and safer
The Simpler, Safer moto takes on full meaning with the first ductless fume hood and chemical storage cabinet utilizing Smart-Light communication that is enriched by the new eGuard app. Stephane Hauville, President & CEO explains, “Smart Technology is based on a very simple idea, which is to provide our products with an easily identifiable method of communication; the Smart-Light. Read more.

 Click here to view all news articles on LabWrench.

Sponsor of the Week

Thank you to Aseptic Enclosures for sponsoring the Glove Boxes category on LabWrench

At Aseptic Enclosures, they have a strong commitment to improve your Aseptic processing facilities. Their decades of experience creating FDA grade cGMP, sterile environments for pharmaceutical production allows them to confidently offer a wide range of their solutions for your Pharmacy, Production Facility, Research Laboratory or any facility requiring clean or contained environments. They back their solutions with industry leading warranties. Aseptic Enclosures' customers range from Fortune 500 global multinationals to small start-ups. Whatever size of your business, they have the resources available to assist with your project.

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Lab Equipment Questions for the Experts

Connecting ProStar UV-Vis 310 detector to PC
The model is actually UV-Vis 310 - it has a male and female 9 pin connector that mates with an external small plug in PCB card that resembles a break-out board. Screw connections are labelled Start_IN+ , Start_IN-, Ready_IN +/- and Fault_IN+/- (6 pins total), Start_OUT+/-, Ready_OUT+/- and Fault_OUT+/- (6 pins total). There are also GND, Ready_IN_enable (active LOW), +5V and TB1 signal lines. My question is, how do I connect this instrument to my PC running Star Chromatography Workstation version 6.2? Also, does anyone have any manuals that might help me sort this out? Advise this member.

Branson Ultrasonics/Branson 8510 - New timer
What would a timer for our Branson 8500 Model number 8510R-MTH cost? Our heater has gone out and we had a repair guy come and wants us to get a new timer as he thinks this might fix the heating problem. We have no problem in our minds with the timer. So I am wondering how much he is going to want to sell us a timer for? Second question, is the heat necessary to clean surgical instruments? It looks like to me it was might for a better cleaning job? Advise this member.

Click here to view all Questions and Discussions on LabWrench.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Links to CATEGORY PAGES on LabWrench

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Shakers

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