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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Using OK-Sonic Bath Monitors for Medical Ultrasonic Cleaner Performance Validation

By Rachel Kohn | November 11, 2020

OK-Sonic Bath Monitors for medical ultrasonic cleaner performance validation strips provide added assurance that your ultrasonic cleaner is doing its job.  In its “Guideline for Disinfection and Sterilization in Healthcare Facilities” the…

When and How to Specify an Ultra-Low Freezer

By Rachel Kohn | September 22, 2020

At this posting Phase 3 clinical trials are underway for COVID-19 vaccines, some of which call for an ultra-low freezer for storage and transport.  Examples described in a September Wall Street Journal…

Low-Temperature and Ultra-Low Temperature Freezers for Covid-19 Vaccines

By Rachel Kohn | September 10, 2020

A question posed in the September 5-6, 2020, Wall Street Journal asks “do we have enough freezers?”  This relates to the unusually cold storage temperatures – as low as -80⁰C – recommended…

How to Use an Ultrasonic Bath to Make Liposomal Vitamin C

By Bob Sandor | April 3, 2020

How an ultrasonic cleaner is used in the process of making liposomal encapsulated vitamin C

Ultrasonic Cleaners Protect Dentists During Corona Virus Pandemic

By Bob Sandor | March 23, 2020

The American Dental Association releases guideline updates on how dental technicians can protect themselves during the current Corona Virus pandemic. It also refers dentists to conform to CDC guidelines for sterilizing and disinfecting…

How a HPLC Digital Flow Meter Works

By Rachel Kohn | February 19, 2020

To support IQ, OQ and PQ HPLC systems should be regularly checked for consistency and accuracy by using a digital HPLC flowmeter.

How to Specify a Compact Medical Refrigerator

By Rachel Kohn | January 8, 2020

Vaccines and other pharmaceuticals should be stored in medical refrigerators designed to maintain strict temperature control and alert personnel to temperature changes.

How Ultrasonic Cleaning Brass Can Restore Gleam

By Bob Sandor | January 2, 2020

Those appreciating the gleam of brass – whether fireplace andirons & tools, chandeliers, escutcheons, or antique decorative brass hardware of any description – also appreciate the work that goes into restoring and…

Using Moisture Analysis to Optimize Product Quality and Processes

By Bob Sandor | October 9, 2019

Moisture content can be measured quickly and easily using a moisture analyzer or moisture balance such as the Kern models available from Tovatech LLC.

How to Select an Under Counter Lab Freezer

By Rachel Kohn | October 1, 2019

Options to consider when purchasing undercounter lab refrigerators and freezers.

How to Check Pump System Accuracy for HPLC Analysis

By Rachel Kohn | July 17, 2019

Pump system accuracy is crucial for equipment used to conduct high performance liquid chromatography (HPLC) analysis in the pharmaceutical and other industries subject to regulatory oversight by the FDA and similar authorities.…

Ideal Moisture Balance for QC in Molding Plastics

By Rachel Kohn | July 10, 2019

MS-70 moisture balance for plastic resins lets QC personnel program up to 20 sets of test parameters and calculate moisture content accuracy to 0.01% with a >5 g sample.