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Cole-Parmer Technical Library
Cole-Parmer eNEWS October 2009
To view this e-mail as a Web page, copy and paste the following link into your browser’s URL Address window: http://www.coleparmer.com/techinfo/techinfo.asp?referred_id=5493&htmlfile=e-news_HCP_10-09.htm

eNEWS you can use
October 2009        
Take our survey and you could win an iPod nano

Respiratory Protection:
OSHA Guidance on Preparing Workplaces for an Influenza Breakout

OSHA Guidance on Preparing Workplaces for an Influenza Breakout

A summary prepared by Survivair/Willson of the OSHA Guidance on Preparing Workplaces for an Influenza Breakout as stated by OSHA.
Planning for pandemic influenza by business and industry is essential to minimize a pandemic’s impact. As with any catastrophe, having a contingency plan is essential. Employers and employees should use the OSHA guidance on preparing workplaces for an influenza breakout to help identify risk levels in workplace settings and appropriate control measures. Full Article



Pandemic Preparedness Guide and Technical Resources





Isolating Genomic DNA
from Whole Blood

How to get high purity DNA from a blood sample using
a simple procedure involving a refrigerated centrifuge.
Isolating Genomic DNA from Whole Blood

In a study of 10 patients, researchers collected human blood samples and extracted high purity DNA from the buffy coat layer for downstream analysis. Using the Nucleon® BACC2 kit, researchers analyzed DNA results.

Learn more about the materials, methods, and results in this case study.





Thermo Scientific Sorvall Legend Micro 17 and 21 Microcentrifuges




Tech Challenge

Take the challenge,
see if you’re right...

Controlled Reaction

Challenge: A lab technician calls in stating that the 56715-20 pH controller they intend to use to add acid in a plastic tank in order to control the reaction they are researching is giving erratic readings which will not stabilize. When contacting the work bench surface or the pH electrode, the controller invariably gives an error message.

The electrode was checked with another meter and found to be functioning perfectly. All potential sources of interference were removed such as the magnetic stirrer they were using; even shutting off the fluorescent lights in the lab, but the erratic readings persisted.

They then contacted the Cole-Parmer Applications Dept. for assistance; the knowledgeable rep suggested resetting the controller back to factory default and trying to do a calibration. The results however were still the same. What else could be done to resolve the issue?

  1. Use a differential pH electrode which acts as a solution ground.
  2. Try grounding the tank.
  3. Ensure that the pH controller has the proper setting for the electrode being used.
  4. Try moving the equipment to a different area.

See the answer.
Our technical experts answer questions like this every day. Get the answers to your questions by calling our Application Specialist at 800-323-4340.





What is Water activity

What is water activity?

Water activity is defined under static conditions of equilibrium. Under such conditions, the partial pressure of water vapor (p) at the surface of the product is equal to the partial pressure of water vapor in the immediate environment of the product. Any exchange of moisture between the product and its environment is driven by a difference between these two partial pressures.
Read more about the full definition and applications



Water Activity Meter Systems


CP @ your service


Safety Coated Media Bottles
Featured Product!

Safety-Coated Media Bottles
  • Ultra-clear safety coating helps stop and control spills in the event of glassware breakage
  • Ideal for chemical storage, transportation, and handling of hazardous chemicals, harmful biologicals, and acids
  • Feature wide opening for easy pouring and a linerless blue polypropylene cap and pouring ring
  • Permanent white graduations and large white marking area
  • Autoclavable


Ro-Tap E 8-inch Sieve Shaker
Featured Product!

Ro-Tap® E 8” Sieve Shaker
  • High-tech sieve shaker is designed to meet critical particle analysis demands
  • Digital timer controls shaker from 0 to 99 minutes
  • Select from coarse or fine analysis control settings
  • Holds 9 full-height or 15 half-height sieves when used with a bottom pan


MasterflexL/S Computer-Compatible Digital Drives
Featured Product!

Masterflex® L/S® Computer-Compatible Digital Drives
  • Operate as a stand-alone precision dispensing pump
    or control all functions through a PC
  • Interface with PC via RS-232 or USB connection
  • Brushless motor offers ±0.1% speed control accuracy with a 6000-to-1 turndown
  • Dispense by volume, time, or copy; cumulative volume function totalizes volume dispensed over multiple batches
  • Flow rates from 0.006 to 3400 mL/min with Masterflex L/S pump tubing



SaniSure® Single-Use Sanitary Clamps
Featured Product!

SaniSure® Single-Use Sanitary Clamps
  • Innovative, evenly controlled 360-degree compression for fast, safe, and secure connections
  • Closure torque is validatable for your written process and records
  • Handles pressures up to 100 psi
  • Meets USP Class VI requirements



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  • Respiratory Protection: OSHA Guidance on Preparing Workplaces for an Influenza Breakout

  • Isolating Genomic DNA from Whole Blood

  • Tech Challenge

  • What is water activity?

  • How safe are your safety gloves?

  • Safety-Coated Media Bottles

  • Ro-Tap® E 8" Sieve Shaker

  • Masterflex L/S® Computer-Compatible Digital Drives

  • SaniSure® Single-Use Sanitary Clamps

    expert help call 800-323-4340

    InnoCal Calibration Services
    Calibration Services


    Leasing and Financing Program
    Leasing and Financing Services


    New 2009/10 Cole-Parmer General Catalog
    Lab Necessities Catalog
    Masterflex Encyclopedia, Vol. 4
    Fluid Handling System Sourcebook
    2009 Cole-Parmer Temperature Solutions Catalog
    Fittings Tubing Valves and Flowmeters Catalog
    Canadian customer click here
    Customers in the UK click here
    Customers in China click here
    Customers in India click here
    ©2009 Cole-Parmer Instrument Company. All rights reserved.
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