TechNotes

Q. We have been using your Detojet detergent in our lab dishwasher all year long. However, recently, we have been having issues with our dishware not getting clean. Have there been any changes made to the Detojet formula? Any ideas why this is occurring? A. Detojet® Low Foaming Liquid Detergent has not had any formation or formulation changes, so we can remove that out of the equation in solving for the source of your new problem. There are, however, many other aspects to consider….

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Q. We use Tergazyme to clean our TFF cassettes and it’s working well. However, we are moving to CIP cleaning in an automated, high pressure environment and are worried about foaming. Do we stick with Tergazyme or is there a better detergent we should use?

A. Tergazyme® Enzyme-Active Powdered Detergent is of an excellent choice for cleaning TFF cassettes. Even as you move to more high pressure, automated CIP method, Tergazyme detergent will likely continue to work well. That’s because….

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Q. How can I clean proteins, RNA, and DNA from laboratory equipment?

A. Thank you for your question concerning cleaning proteins, RNA and DNA from laboratory equipment.

We will address each separately . . .

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Q. In the past you have recommended a specific detergent type detergent for our sensitive plastics (stressed polycarbonate), mentioning that it does not have a surfactant. Can you elaborate for us why?

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A non-free rinsing cleaner might contain fragrances that were designed to deposit and leave a fresh scent, or it might contain corrosion inhibitors that are designed to deposit and leave behind an anti-corrosion film.

Alconox, Inc, cleaners are free rinsing detergents and do not leave deposits on substrates after rinsing.

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Q. After machining plastic implants, what is the recommendation for an in process cleaning using a small ultrasonic tank?
A. The recommendation would be to use 1% Liquinox (a mild alkaline, emulsifying and dispersing cleaner) at a temperature well within the temperature tolerance of the plastic.

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Q. What Alconox brands are EC 648/2004 compliant?
A. Alconox, Alcotabs, Citrajet, Detojet, Tergajet, Tergazyme. For more information about any one of our Alconox Cleaners, consult the specific technical bulletin for each product HERE. Or click here to access each of our detergent’s Material Data Safety Sheets. You can also request a free sample by completing the questionnaire at Get Sample.

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Adding bleach to Alconox and Liquinox detergents can be done to enhance the disinfecting and oxidizing properties of these cleaners. Adding oxidizing does bring one more cleaning mechanism to the cleaning process which can be helpful if you are trying to clean dyes, pigments, heavy burned on organic residues and other residues that are labile to oxidation. You can get some disinfection, but as we will explain, you need to clean a surface first before you disinfect.

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What detergent would you recommend for solar panel maintenance cleaning? For best efficiency solar panels should be cleaned by spraying on 0.5% Liquinox.

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Q. I am developing a new cleaning process to replace the process we are using for cleaning glass slides before applying Silane coating. We are using strong acid to clean glass slides. I want to use a process where I first use basic aqueous solution, then use DI water to rinse, followed by acidic solution to chelate away metal ions. Then we’ll do DI water rinse, air dry, and finally use oxygen plasma to final clean the glass slide. What acidic aqueous solution and basic aqueous solution can you suggest?

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