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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Alconox Detergents

Alconox Detergents are PDMS Free

19 August 2014

Q. Do your products contain PDMS? A. No detergents manufactured by Alconox, Inc. contain any PDMS: including Alconox, Liquinox, Tergazyme, Alcojet, Alcotabs, Detojet, Detergent 8, Citranox, Luminox, Citrajet, Solujet, Tergajet and Detonox.

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Stripping NiCr-AG-NiCr Coating

18 August 2014

Q. To strip NiCr-Ag-NiCr coating, I was preparing a solution @4% of Cerium Ammonium Nitrate (C.A.N.)and I added Citrajet @1% to be used as a wetting agent (surface inclined). The addition of Citrajet neutralized completely the effect of the C.A.N; which did not attack the NiCr layers. Can you give me some explanation and which Alconox product I have to use as wetting agent. A. CAN is a very strong oxidizing agent. Organic functional groups with double bonds, alcohols, benzene rings and ethers are likely to be oxidized by CAN, thereby “neutralizing,” or depleting it, thereby rendering it less effective for stripping coatings. Most wetting agents have organic functional groups that will be oxidized by CAN, including Citrajet.

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Filter Cleaning for Beer Flavor and Clarity

15 August 2014

In breweries, filters are used to control and improve flavor and clarity of beer. One Lab technician improved the flavor and clarity of beer by better filter cleaning. Filtering removes yeast, tannins and some large proteins from the beer that contribute both to off flavors and haze. These residues clog the filters.

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