Surfactant is the Last to Rinse

21 November 2014

Q. What does “detergent is the last to leave the equipment surface" after rinsing mean? This seems like a broad statement, can it be supported by literature/documentation? A. The only source of "detergent last to rinse" that I am aware of is based on the physical behavior of surface active agents and the interchangeable use of the word detergent and surfactant in common usage. More properly you should say the surfactant is the last to rinse. Learn More about Surfactant.

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Posted in Medical Device, Pharmaceutical0 Comments

Selecting an Aqueous Cleaning Detergent

20 November 2014

Q. What are important questions to consider when selecting an aqueous cleaner? A. Critical cleaning requires careful selection of cleaning chemistry and methods to ensure adequate performance without sacrificing either work safety or benign environmental impact. Key considerations include: Type of substrate, Type of soil, part complexity, level of cleanliness required, manufacturing process, cleaning efficiency, environmental consideration. Click HERE to access our free critical cleaning tools all in one place.

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Pharmaceutical Residue Removal: Iron Sucrose

19 November 2014

Q. Which Alconox brand cleaners are suitable for the removal of iron sucrose? A. Iron Sucrose is water soluble therefore it can be cleaned by either Citranox or Liquinox. Find out more about Citranox and Liquinox by downloading technical bulletins or MSDS at www.alconox.com.

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Posted in Citranox, Liquinox, Pharmaceutical0 Comments

Sustainable Cleaning Processes

Aqueous Cleaner Safety

18 November 2014

Q. What are the safety issues involved when using aqueous cleaners? A. Worker safety issues with aqueous cleaners involve skin exposure, eye exposure, ingestion, and chronic systemic exposure. It is always necessary to consult the label and MSDS on the cleaner for warnings and safety precautions. Physical safety issues include storage and handling. All Alconox, Inc. brands are biodegradable, technical bulletins and MSDS are downloadable via www.alconox.com. To read more about safety issues and aqueous cleaning, the experts at Alconox, Inc have written The Aqueous Cleaning Handbook.

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Posted in Healthcare, Medical Device0 Comments

Cleaning Semiconductor Equipment

17 November 2014

Q. We're getting some residue from foaming of detergent on our semiconductor handling equipment. A. To clean semiconductor handling equipment in electronics, use a warm 3% Detergent 8 (30 mL/L) solution followed by a deionized water rinse to clean the equipment. Detergent 8 is free of any metal ion ingredients such as sodium that can dope a semiconductor.

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Posted in Detergent 8, Electronic0 Comments

Cleaning Residues with Acidic Cleaners

14 November 2014

Q. What types of residues are best cleaned by acidic cleaners and does Alconox manufacture any acidic cleaners? A. Amines, alkaloids, amphoteric proteins, starches, carbonates and bicarbonates, metal oxides, and insoluble hydroxides are generally best cleaned by acidic cleaners. Alconox manufactures two acidic cleaners. Learn More.

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Posted in Citrajet, Citranox, Medical Device0 Comments

DI Water Wettability

Medical Device Cleaning – Rinsing Silicone O-rings

13 November 2014

Q. I would like to know if our rinsing process (Ultrasonic Cleaning with Sterile distilled water for 10 minutes) is appropriate for rinse off. Parts we are cleaning: 150" Silicone O-Rings. A. Thanks for your question about the sufficiency of a 10 min. distilled water rinse in ultrasonics for cleaning medical device related silicon o-rings. Distilled water is generally fine for rinsing. The best rinse is ...

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Cleaning Chromate Finished Zinc Plated Bolts

12 November 2014

Q. I need to specify a cleaning protocol for chromate finished zinc plated bolts. The plater commented that any cleaning (except for a very mild one) can damage the chromate finish. The customer is concered about residual oils. My guess at a cleaning protocol would be: clean in ultrasonic bath, 2 min with 1% Alconox solution, rinse with de-ionized water. All we are doing is cleaning fasteners to be installed in a clean room. The level of cleanliness for these fasteners is a bit fuzzy. Does this sound reasonable? A. Read the answer.

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Posted in Alconox, Metalworking & Precision Manufacturing0 Comments

Cleaning Blood off of Recording Electrodes

11 November 2014

Q. I was planning on purchasing Tergazyme but was wondering if there might be reason to consider an additional second cleaning product for cleaning blood products, etc off recording electrodes and off of surgical instruments. Would this be redundant or offer any advantage? A. Tergazyme alone is very effective at removing blood, tissue & other body fluids off of electrodes and surgical instruments. Learn More.

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Posted in Healthcare, Tergazyme0 Comments

Cleaning Bioreactors

10 November 2014

Q. How can I clean bioreactors and do you have any SOPs you can offer. A. Liquinox is typically used for cleaning bioreactors. A 1% solution of Liquinox (1.25 oz/gal or 10 mL/L) is used to soak and scrub the bioreactor. Learn More.

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Posted in Liquinox, Nuclear0 Comments

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