Tovatech Blog

Validating Ultrasonic Cleaners in a CGMP Environment

Validating Ultrasonic Cleaners in a CGMP Environment

Ultrasonic cleaners play critical roles as tools to clean small parts such as pumps, valves and filters used in drug development and manufacturing. As such, ultrasonic cleaners can be validated in CGMP environments and in Title 21 of the Code of Federal Regulations as a processing tool delivering energy, called cavitation, to clean equipment. This…

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Vaccine Storage Guidelines 2024   

By Rachel Kohn | August 14, 2024

Medical practitioners preparing for the 2024-25 flu season should review CDC’s 2024 Vaccine Storage and Handling Resources to be assured they are in compliance with vaccine storage guidelines that “help protect your…

Ultrasonic Parts Cleaner Specification Tips

By Rachel Kohn | April 25, 2024

Cleaning metal parts is faster and easier with this specially formulated ultrasonic cleaning solution concenterate.

Preserving Enzyme Activity: The Crucial Role of Enzyme Storage Lab Freezers

By Rachel Kohn | April 3, 2024

Enzymes being studied by researchers must be stored in laboratory freezers at temperatures in the region of -10 to -25C (+14 to -13F). When stored at higher temperatures enzymes gradually denature and lose catalytic activity.

DPF and EGR Filter Maintenance with Ultrasonic Cleaners

By Rachel Kohn | March 19, 2024

Diesel particulate and exhaust gas recirculation cooler filters lose efficiency over time. Indications include warning lights, increased fuel consumption, rough starts, stalling, and dark exhaust. Searching DPF and EGR cleaning yields many results…

Ultrasonic Gun Cleaning Tank for Firearms

By Bob Sandor | December 22, 2023

Investments in firearms by individuals and organizations can be substantial, and a regular cleaning regimen helps protect that investment.  A MilMag article titled “Weapons Cleaning for Dummies” notes that of four methods…

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.

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 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: 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 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.…

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.

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.