TechNotes

Q: Can you tell me if Liquinox can clean/remove pharmaceutical probiotics? We use this product to clean our packaging lines. We have a customer who is looking to have us package their probiotic product.

A: Liquinox® Critical Cleaning Liquid Detergent is an excellent emulsifier of organic and oily residues. It will do the job. Best practice, however, would be to incorporate a powerful emulsifier of organic and oily residues, along with enhanced protein removal. 

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Q. I am a validation manager and we use Liquinox in multiple pieces of equipment across our manufacturing site. While witnessing our cleaning, I noticed the dilution instructions are not being followed. Instead, operators are adding some squirts/pumps/pours from the bottle into a bucket with purified water. Does Liquinox have a range of effective concentration?  Do you have auto-mix ideas or other dosing solutions for customers facing this issue of accurate formulation?

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Q. In reviewing the SDS for Liquinox, we noticed that it says “Should not be released into the environment. Prevent from reaching drains, sewer or waterway.” How do you recommend we rinse components if Liquinox should not reach the drain?

A. The section you mention in the SDS for Liquinox® Critical Cleaning Liquid Detergent , 6.1, refers to untreated drains (i.e. the street) and other direct-to-environment pathways. The drains from labs, manufacturing plants and the like will have septic and/or treatment processes prior to the environment. In fact, we often…

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Q. I am doing environmental testing for ammonia levels and need to properly pre-clean all objects that will come into contact with our samples. We were thinking of using Liquinox. Is it ammonia free? Will it interfere with sample results?

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How do you determine optimum detergency for Liquinox detergent? As a general statement, optimum detergency is reached at a 1-2% concentration (optimum defined as amount of soil removed per unit of detergent used). Maximum detergency is typically reached at a…

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Q:  I’d like some guidance about determining the Critical Micelle Concentration of Liquinox and Citranox detergents, and some of the limiting factors in that determination. A:  Thank you for your question about the Critical Micelle Concentration (CMC) of surfactants in Liquinox® Critical Cleaning Liquid Detergent and Citranox® Liquid Acid Cleaner and Detergent. A micelle is an aggregate of surfactant molecules in a liquid solution. […]

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RoboScrub® cleaner is a private label product manufactured by Alconox Inc. for Tecan US. This product is discontinued by Tecan US (p/n: 30055105). Liquinox™ Critical Cleaning Liquid Detergent was bottled and labeled as RoboScrub for Tecan US. As such, the identical replacement for RoboScrub cleaner is Liquinox detergent.

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Q. Is the Alconox powder equivalent to the Liquinox liquid? If these are the same could you please provide me with some sort of documentation saying that Alconox is the powdered form of Liquinox and that they are interchangeable?

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Nonionic Liquinox likely contains extremely trace levels 1,4-Dioxane, but anionic Alconox is very unlikely to contain 1-4 dioxane. Sometimes people inadvertently refer to Liquinox as Alconox because it is made by Alconox, inc.

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Q: When bottling is Liquinox filtered?   A: Liquinox, as sold in the standard package, is filtered to 25 microns, but packaged in new but unwashed containers in an open air reasonably clean liquid detergent factory that is certainly not a clean room. We do not certify or test for particle content. You can reasonably expect fewer […]

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