How to Use an Analytical Balance

How to Use an Analytical Balance: 5 Tips

University and industrial laboratory researchers requiring extremely accurate measurements of extremely small quantities rely on a precision instrument called an analytical balance. Shopping for an analytical balance requires being familiar with some of the advanced features available today as well as the proper use of these precision instruments. It is on the second point that…

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The Ultimate Industrial Ultrasonic Cleaner Guide: How to Select the Right Industrial Ultrasonic Cleaner

By Bob Sandor | April 26, 2021

Select Your Topic of InterestWhat is IndustrialTwo Basic Features to ConsiderOther FeaturesTypical Applications MaintenancePerformance GuideInvestment Considerations Industrial ultrasonic cleaners come in many sizes, shapes and features.  This guide will help you pick…

Explanation of IQ, OQ and PQ

A PDQ explanation of IQ, OQ and PQ

By Bob Sandor | March 4, 2021

Precision and accuracy are two critical words (but with different meanings*) in pharmaceutical, food processing and other industries that come under continuous scrutiny by the FDA, the Code of Federal Regulations Title…

Lab Applications for Ultrasonic Cleaning Equipment

Lab Applications for Ultrasonic Cleaning Equipment

By Rachel Kohn | March 2, 2021

Elma – the specialists for ultrasonic technology work in close cooperation with the customers to develop new ultrasonic cleaning processes for laboratory applications, such as analyzing, sample processing and cleaning of laboratory…

Selecting Calibration Weights

Selecting Calibration Weights for Digital Scales

By Rachel Kohn | February 25, 2021

Calibration weights for digital scales are key elements to ensure, in the simplest sense, that you get what you pay for.  For many of us this is exemplified by visits to the…

The Ultimate Resource for Ultrasonic Cleaning with Flammable Solvents

By Bob Sandor | February 18, 2021

Select Your Topic of InterestHow Can I Use?Example UsesSelect the CleanerBaskets & Accessories Product OptionsSafety PrecautionsShop Cleaning with Flammable Solvent Solutions How Can I Use Flammable Solvents in an Ultrasonic Cleaner? Examples…

Calibrate a Flow Meter for HPLC Pumping Systems

Calibrate a Flow Meter for HPLC Pumping Systems

By Rachel Kohn | February 10, 2021

First of all, our HPLC flow meters are shipped factory calibrated along with an accompanying calibration certificate for a flow rate of 1.0 ml/min plus additional flow rates requested by the customer. The calibration certificate certifies that the displayed flow rate is within ±1% of the actual flow rate at each calibration point.

ultrasonic cleaning using flammable solvent

Ultrasonic Cleaning with Flammable Solvents

By Rachel Kohn | January 29, 2021

Cleaning with flammable solvents requires extreme caution in any case but ultrasonic cleaning with flammable solvents requires specially designed equipment and procedures.  That’s because of the real danger of a fire or…

HPLC Flow Meter Cleaning Tips

HPLC Flow Meter Cleaning Tips

By Bob Sandor | January 22, 2021

Fast, accurate calibration of flow rates used in HPLC flow systems can be compromised if the flow meter is not maintained. Here are some maintenance tips.

Scientific Refrigerators and Freezers for Research and Healthcare Professionals

How to Select a Lab Freezer or Refrigerator

By Rachel Kohn | January 7, 2021

Pharmaceuticals, blood and plasma must be stored within tight temperature ranges to avoid loss of potency or spoilage. Lab refrigerators and lab freezers are built to meet the demanding requirements of pharmaceutical manufacturers and healthcare providers.

Ultrasonic Cleaner Solution Selection Tips

By Rachel Kohn | December 17, 2020

The ultrasonic cleaner solution you select plays a major role in successful ultrasonic cleaning operations. Ultrasonic cleaner solutions are available in a wide variety of formulations – each designed for specific cleaning tasks.…

Elma Ultrasonic Cleaner for 3D Parts

Ultrasonic Cleaner Uses

By Bob Sandor | December 16, 2020

An earlier Tovatech post on selecting an ultrasonic cleaner noted that the ultrasonic cleaner market is “expected to grow from USD 1.6 billion in 2019 to USD 2.2 billion by 2024, at…

How to Safely Use Acetone Cleaner in an Ultrasonic Bath

By Bob Sandor | November 20, 2020

PubChem, an open chemistry database at the National Institutes of Health (NIH), defines acetone as a colorless, volatile, flammable organic solvent.  It is also called dimethyl ketone, 2-propanone, and beta-ketopropane.  As a…