Tovatech Blog

Cosmetic Manufacturing

Qualifying a Sonicator Bath for Sample Preparation

In the pharmaceutical, cosmetic and food processing industries ultrasonic cleaners are employed as sonicator baths for sample preparation for analytical testing.  Unlike cleaning medical devices, when using an ultrasonic bath to prepare samples,the analytical method that uses ultrasound is validated, not the equipment.  Guidelines include ICH Q2(R1), procedures for validating analytical methods, and USP 1225, validating…

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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.

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…

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 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…

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.

Ultrasonic PCB Cleaners for New and Reconditioned Boards

By Rachel Kohn | October 26, 2022

Removing soldering flux and residues from new PCBs and dirt when reconditioning PCBs by using an ultrasonic PCB cleaner is faster and more gentle than soaking and scrubbing with sprays and solvents. …

Ultrasonic Cleaning Once-Fired Brass

By Rachel Kohn | October 9, 2022

A Tovatech Case Study A recent report by IBISWorld states that the U.S. Shooting Range Industry market is estimated at $4 billion and encompasses more than 11,000 businesses.  Many shooting enthusiasts, whether…

How to Use an Analytical Balance: 5 Tips

By Rachel Kohn | September 22, 2022

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…

How to Calibrate a Digital Scale

By Rachel Kohn | July 13, 2022

How to calibrate and maintain digital hanging scales.

Selecting Ultrasonic Cleaner Size – 5 Key Points Consider

By Rachel Kohn | May 19, 2022

Ultrasonic parts cleaners are manufactured in a tremendous variety of sizes.  By “size” we mean the dimensions and capacities of tanks in which ultrasonic parts cleaning is accomplished.  For example the Elmasonic…

Introducing the Elmasonic Select Ultrasonic Cleaner Line

By Rachel Kohn | May 10, 2022

Elmasonic Select ultrasonic cleaners available from Tovatech feature 5 ultrasonic modes to simplify task setting and supervision for parts cleaning and maintenance, sample prep, and solvent degassing plus up to 4 commonly…