Tovatech Blog

analytical balance calibration

A Comprehensive Guide to Analytical Balance Calibration

Calibration is a procedure intimately associated with analytical balances. Calibration determines the relationship between the displayed value and true mass by comparison with a known mass.

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Vaccine Refrigerators for the 2014 Flu Season

By Rachel Kohn | August 22, 2014

The fast-approaching 2014 flu season serves as a reminder for healthcare facility operators to review their vaccine storage practices especially relating to the ability of their vaccine refrigerators to maintain the correct…

Setting Ultrasonic Cleaner Power, Frequency and Time

By Rachel Kohn | May 16, 2014

In addition to using the correct temperature and cleaning solution formulation, achieving optimum results in an ultrasonic cleaning operation calls for a correct “blend” of ultrasonic power, ultrasonic frequency and cleaning time. …

Understanding the 3 Rs + L of an Analytical Balance

By Rachel Kohn | April 14, 2014

Selecting the correct analytical balance for precise weighing is not an easy task.  We’ve covered several key points in previous posts but it’s always a good idea to provide a refresher course…

Selecting a Moisture Analyzer Drying Process

By Rachel Kohn | March 18, 2014

Infrared moisture analyzers such as the new Kern MLS-C now available from Tovatech use the thermogravimetric drying process to calculate the moisture content of a sample.  Also called the loss of weight…

Why Moisture Content Matters

By Rachel Kohn | January 21, 2014

Benchtop halogen moisture analyzers are excellent quality control tools to determine that bulk drying ovens are operating properly. Testing is quick and simple to accomplish.

Vaccine Storage Tips - Lab Refrigerator

Storage Tips to Help Safeguard Vaccines

By Bob Sandor | December 26, 2013

Laboratory refrigerators and laboratory freezers provide an option for vaccine storage when budgets are tight

Scale with Remote Display Gives 0.1g Resolution

By Rachel Kohn | December 10, 2013

With remote display and control panels these 50 and 30 kg capacity industrial scales, each with 0.1 g resolution, are ideal QC instruments for weighing heavy toxic, odor-emitting or contaminated samples under fume hoods or in glove bags.

How to Store Hepatitis Vaccine

By Rachel Kohn | November 20, 2013

Refrigerator temperature control is critical to maintain the potency of hepatitis vaccines.

Time to Upgrade your Vaccine Refrigerator?

By Rachel Kohn | September 30, 2013

Tips on meeting CDC vaccine refrigeration guidelines for temperature, alarming, record keeping and monitoring.

Final Step Cleaning in Metal Fabricating

By Rachel Kohn | September 30, 2013

Product cleanliness is an important criterion for machine shops and metal fabricating shops producing parts meeting extremely tight tolerances.

How to Select a Digital Bench Scale

By Rachel Kohn | September 24, 2013

More than weighing capacity is involved when you are specifying a digital bench scale.

Specifying Tips for Industrial Ultrasonic Cleaners

By Rachel Kohn | September 17, 2013

Criteria to establish when specifying an industrial ultrasonic cleaner.