Tovatech Blog

Ultrasonic Sieve Cleaning

Safe Cleaning Fine Mesh Lab Sieves

Lab sieves, according to Thomas Scientific, are essential tools for particle size analysis in various industries, including pharmaceuticals, chemicals, and construction. These sieves are designed to separate and classify particles by size, ensuring consistency and quality in your products and samples.  Lab test sieves that include an NIST traceable calibration certificate , designed to meet…

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HPLC Flow Meter Cleaning Tips

HPLC Flow Meter Cleaning Tips

By Bob Sandor | November 17, 2023

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

Laboratory Refrigerator Selection Criteria

By Rachel Kohn | October 27, 2023

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 passivation of stainless steel

Ultrasonic Passivation for Stainless Steel

By Rachel Kohn | October 20, 2023

Stainless steels such as AISI* Types 304, 310 and 316, are favored for strength and corrosion resistance.  Applications include food, chemical and pharmaceutical processing, surgical implants, architecture and transportation.  Over time starting…

Ultrasonic Cleaner Degas

Ultrasonic Cleaner Degas: Why it’s Important

By Bob Sandor | September 28, 2023

Degassing fresh ultrasonic cleaning solutions in Degas mode allows normal cleaning operations to start within 10 minutes rather than the 30 minutes that may be required by using ultrasonic cleaning action to accomplish degassing.

Selecting Calibration Weights

Selecting Scale Weights for Calibration Testing

By Rachel Kohn | September 13, 2023

Calibrating precision digital scales, analytical balances and moisture analyzers that rely on accurate weight measurement requires periodic tests using a scale weight closely matching the maximum capacity of the instrument being tested.…

Selecting a Super Cold Freezer

How to Specify a Super Cold Freezer

By Rachel Kohn | August 14, 2023

Ultra low temperature freezers are used for long-term storage of pharmaceuticals and biological specimens, and for testing a product’s ability to perform in super-cold environments.

Calibrate a Flow Meter for HPLC Pumping Systems

Flow Meter Calibration for HPLC Pumping Systems

By Rachel Kohn | June 28, 2023

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.

What is a Moisture Analyzer?

How to Determine Moisture Content

By Rachel Kohn | June 14, 2023

Incorrect moisture content affects shelf life of foods, flow ability, chemical reactions, the ability of a product to be processed, and overall product performance.

Using Acetone Solvent as an Ultrasonic Bath

By Bob Sandor | March 9, 2023

Acetone, a solvent and thinner available in paint and hardware stores, carries on its container a warning that it is extremely flammable and quickly evaporates.  These two characteristics are always important to…

Elmasonic Flex 2 Header

Ultrasonic Cleaning Tanks: What You Should Know

By Rachel Kohn | February 13, 2023

While a variety of ultrasonic cleaners are the market, one component they have in common is the ultrasonic cleaning tank where cleaning action takes place.  Whether you select a basic model ultrasonic…

Determining Moisture Content in Food

Determining and Confirming Moisture Content in Food

By Rachel Kohn | January 25, 2023

As reported in Wikipedia, “Food moisture analysis involves the whole coverage of the food items in the world because foods are comprising a considerable amount of water rather than other ingredients.” Food…

What is a Heated Ultrasonic Cleaner?

Selecting a Heated Ultrasonic Cleaner

By Bob Sandor | January 24, 2023

Ultrasonic energy creates heat in the cleaning bath. Temperature control can be important depending on what you are cleaning.