Alconox Aqueous Cleaner

01 September 2014

Aqueous means water. A water-based or aqueous cleaner is a cleaner that increases the ability of water to clean. An aqueous cleaner uses blends of detergent compounds with surface active agents together with other cleaning chemicals that use detergency to lift soil from a surface by displacing it with surface active materials that have a greater affinity for the surface than for the soil. Water, considered by many to be the “universal solvent,” is an important component of aqueous cleaners because it dissolves many types of soils. Water—municipal tap water, deionized or distilled water depending upon the cleaning application—also functions as a carrying medium for detergent compounds.

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Medical Device Cleaning – Polycarbonate

01 September 2014

Q. Is Alconox compatible with Polycarbonate? A. It depends on whether the polycarbonate is stressed or unstressed.

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Lab Test Tubes

Medical Device Cleaning Validation References

28 August 2014

Q. What medical device information is in the Medical Device Cleaning Validation References? A. The Medical Device Cleaning Validation References for Alconox Detergents contains information about identifying residues, selecting a residue detection method, selecting a sampling method, setting residue acceptance criteria, and more.

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Pipet Cleaning with Alcotabs

27 August 2014

Q. Lab pipets will not deliver and measure accurately or they may contaminate reagents if they are not cleaned. Their narrow tubular shape is difficult to clean. A. Use a siphon pipet rinser with Alcotabs ...

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Stopcock Grease Removal with Alconox

26 August 2014

Q. Silicon oil based stopcock grease used to assure that ground glass joints and stopcocks did not freeze got onto glassware and could not be removed by standard cleaners. A. Silicon the silicon grease contaminated glassware in very hot (170 deg F- 75 deg C) double strength 2% Alconox ...

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Supporting American Forests

26 August 2014

Alconox, Inc has written The Aqueous Cleaning Handbook to assist customers understand the science behind the solution. For every Aqueous Cleaning Handbook printed, Alconox, Inc. donates one dollar to American Forests to support forestry conservation and tree-planting projects.

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Medical Device Cleaning – Automated Machine Detergent

25 August 2014

Q. We are looking to use Liquinox in an automated cleaning machine. The cleaner would be agitated ultrasonically and pumped to/from the storage tank by magnetic drive pumps. We are worried that the Liquinox will foam during the transfer by pump. Is this a valid concern? If so, is there an alternative cleaner that we could use in place of the Liquinox?

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Removing Silicone Oil from a HDPE/ABS Medical Device

22 August 2014

Q. We are looking for a product to effectively remove silicone oil from a HDPE/ABS medical device. We currently use a combination of washing treatments to efficiently remove the silicone oil. A. Remove silicon oil with ultrasonic cleaning with extremely hot (over 170 deg F or over 77 deg C) 2% Alconox detergent solution followed by a thorough rinse with water. Ideally, make sure the first rinse is with extremely hot water. Typically 10-20 minutes in ultrasonics is adequate to remove the residue.

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Cleaning Polycarbonate with Alconox

21 August 2014

Q. We use 4-way stopcocks made of radiation-grade Polycarbonate and HDPE that are not normally cleaned with Alconox. They were accidentally put through the Alconox cleaning process. Stopcocks feel a little stiff, but otherwise appear ok. Would like to know if there are any concerns for this material/corrosion or other incompatibility known with Alconox? A. Stressed polycarbonate is not compatible with low surface tension solutions and heat. Polycarbonate that is unstressed will not have this problem and can be cleaned with Alconox.

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Radioisotopes

Reactor Cavity Decontamination

20 August 2014

Q. What cleaner does Alconox recommend for the decontamination of nuclear reactor cavities and related equipment? A. Alconox recommends Detergent 8, a non-ionic, phosphate-free homogeneous blend of an alkanolamine, glycol ethers and an alkoxylated fatty alcohol for decontaminating nuclear reactors and related equipment including pipes, tools, and protective equipment.

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