Environmental

Q. Can I use pH paper to confirm cleaning and rinsing of labware to comply with lab accreditation requirements?

A. If you are going to use pH strips to comply with lab accreditation requirements, you need to verify that your detergents are not interfering with the strips and papers. Detergents and surface active agents can interfere with some pH paper by causing a decrease of several pH units in reading. Please test any pH paper you intend to use …

Q. We are looking for cleaners that are minimally toxic or non-toxic to insects while effectively cleaning and removing biological debris, sugar, and pathogens.

A. Thank you for your request for a detergent that is minimally or non-toxic to insects. We regret to inform you that we do not have insect toxicity studies for our detergents. The mammalian and systemic toxicity information that we do have, however, shows that Liquinox® is very low in toxicity.

Q. Are there other oxygenated products/compounds in the Liquinox detergent?
A. Liquinox® does not contain any oxygen bleaches – peroxides. Liquinox® does contain ethoxylated alcohol nonionic surfactants which contain oxygen.

Q. We want to check on the chemical compatibility of Alconox cleaner with neoprene to determine if it will compromise the integrity and properties of our parts. I have been unable to find much chemical compatibility data for alconox exposure to neoprene online so I’m hoping you can provide some help.

Q. We are trying to reanalyze our cleaning procedure. Do you have a product that removes trace metals, inorganics and organics without an additional acid rinse? We sample waste water influent and effluent and collect in plastic containers. Please let me know what you would recommend.
A. Organic residues are typically effectively removed by alkaline cleaning. The most robust way to remove trace metals and inorganics is to use an acid rinse. However . . .