Archive | Manual Lab Cleaning

Alconox Liquinox

Differences between Alconox and Liquinox

Q. Currently using Alconox, but are considering a switch to liquinox. We have seen less residuals with Liquinox, which is desireable. What are the recommendations and concerns with switching from Alconox to Liquinox? What are the difference in ingredients between the two?
A. Alconox and Liquinox are functionally equivalent cleaners, but are not chemically identical. Click to learn more and access the Liquinox and Alconox msds.

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Posted in Alconox, Ask Alconox, Laboratory, Liquinox, Manual Lab Cleaning, Medical Device, Pharmaceutical, Validation0 Comments

Removing PFOS and PFOA from Lab Glassware

Q. We need to remove perfluorooctanoic acid (PFOA) and perfluorooctyl sulfonate (PFOS) from laboratory glassware and stainless steel. Since they are inorganic residues, we’re using acidic cleaners, but are not finding them as effective as we expected. Any recommendations?
A. PFOS and PFOA are polar, anionic surfactants. They will best be cleaned by a high-emulsifying, anionic-surfactant-containing cleaner that can make mixed micelles to efficiently remove these residues from surfaces….

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Posted in Alconox, Ask Alconox, Laboratory, Manual Lab Cleaning0 Comments

Making detergent solution (1%) by weight or volume

Making detergent solution (1%) of powdered detergent such as Alconox or Tergazyme, you can make your solutions by weight or by volume.

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Posted in Alconox, Citranox, Laboratory, Liquinox, Manual Lab Cleaning, Tergazyme0 Comments

Choosing Temperature for Ultrasonic Parts Cleaning

Q. How to determine appropriate temperature to clean parts with ultrasonic cleaner?

A. In general, every 10 deg C you go up in temperature doubles the cleaning speed. The faster you want to clean the hotter you should get.

There is a theoretical optimal ultrasonic cavitation temperature at around 70 deg C depending on the exact concentration of detergent. Even though in theory cavitation…

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Posted in Ask Alconox, Laboratory, Manual Lab Cleaning, Medical Device, Metalworking & Precision Manufacturing0 Comments

Removing Protein from Cell Culture Containers

Q: What do you recommend for removing protein from cell culture containers?
A. To clean cell culture containers and remove protein, use a freshly made solution of our enzymatic detergent….

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Posted in Biotechnology, Manual Lab Cleaning, Pharmaceutical, Tergazyme0 Comments

Monitoring Stability of Alconox Solution

Learn how to monitor stability of 1% Alconox Solution for proper storage.

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Posted in Alconox, Healthcare, Laboratory, Manual Lab Cleaning, Medical Device0 Comments

Ultrasonic with Low-Foam Detergent

Q. We are having foaming issues in ultrasonic cleaner. Basically, we are looking for a non-foaming version of the Liquinox cleaner we are currently using.  Can you use a detergent that doesn’t foam in an ultrasonic bath? A. Depending on what the foaming issue is, you may be able to continue using Liquinox detergent. As a general statement….

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Posted in Biotechnology, Healthcare, Laboratory, Liquinox, Manual Lab Cleaning, Medical Device, Pharmaceutical, Solujet0 Comments

Visual Inspection

Cleaning Visual Inspection

Q: I work for a medical device company where we make machined parts. I’m interested in finding a supplemental visual inspection tool that will aid in inspecting the surface of a part after being cleaned. A: We would recommend getting…..

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Posted in Manual Lab Cleaning, Medical Device, Pharmaceutical0 Comments

latex tubing

Can Alconox be used to clean latex?

Can Alconox powder be used to clean latex material (tubing)? Latex is inherently a product that naturally degrades via mechanisms of hardening, embrittling and cracking. However…

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Posted in Alconox, Manual Lab Cleaning, Nuclear0 Comments

Standard Operating Procedures for Cleaning

Q. What are important items to include in standard operating procedures for cleaning? A.  A large part of successful cleaning relies on having a sound, reproducible procedure. In general, a good SOP should present a list of materials and people involved, the surface being cleaned should be identified, and the eight key variables for cleaning […]

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Posted in Articles, Biotechnology, Detergents, Laboratory, Manual Lab Cleaning, Medical Device, Metalworking & Precision Manufacturing, Pharmaceutical0 Comments