Archive | Electronic

What is Critical Cleaning?

Q: What precisely is critical cleaning? How does it differ from “regular” cleaning? A: It refers to a very specific type of cleaning. It is where the cleaning itself impacts the value of the finished output from whatever residue/contaminant is being cleaned.

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Posted in Aerospace, Biotechnology, Cosmetic, Electronic, Environmental, Filter, Food & Beverage, Foodservice, Healthcare, Industry, Laboratory, Manual Lab Cleaning, Medical Device, Metalworking & Precision Manufacturing, Pharmaceutical0 Comments

Neutralizing Citranox for Waste Disposal

Q. We manufacture electronics and use Citranox to cleans oil off of a variety of machined parts. However, our Municipal Water District does not allow the disposal of spent Citranox. Can you recommend a neutralization procedure?

A. You will need 0.14 lbs, 0r 2 ¼ oz of baking soda (sodium bicarbonate) to neutralize a gallon of un-used 1% Citranox solution to a pH near 7. Note that some of the acidity in Citranox may be depleted …

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Posted in Electronic, Environmental0 Comments

Cleaning Solder Flux Residue

Q. I am seeing a white powder around solder joints on PCBs. We use Detergent 8 for cleaning. Do you know why this is happening and how to stop it?

A. The most likely source of white powdery residue around solder joints on PCBs is the formation of insoluble metal salts from the solder flux. Lead or other solder metal rosinate, abietate, or other organic acid salt tends to form when soldering temperatures are too hot. Using any water based cleaner …

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Posted in Citrajet, Citranox, Detergent 8, Electronic0 Comments

Custom Detergent Formulations

Q. Does Alconox, Inc. make custom detergent formulations to solve special cleaning problems?

A. Yes, Alconox, Inc. will make custom formulations to solve special cleaning problems. Of course we always try to solve cleaning problems with off the shelf cleaners, but if there are special cleaning needs that cannot be met using regular Alconox brand cleaners, then where the size of business warrants manufacturing a new formulation, we will make custom detergents.

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Posted in Alconox, Biotechnology, Cosmetic, Electronic, Food & Beverage, Foodservice, Healthcare, Laboratory, Pharmaceutical, Tergazyme0 Comments

Cleaning Semiconductor Equipment

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 Electronic Parts Prior to Soldering

Q. We need to clean parts to be soldered prior to applying solder. Do you have recommendations?
A. To clean parts prior to soldering you need to consider what residues you are trying to remove from the parts and how you want to clean. For general purpose oils and residue cleaning by manual, soak or ultrasonic cleaning methods, we recommend using a warm or hot 1% Liquinox solution . . .

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Posted in Citranox, Electronic, Liquinox0 Comments

Cleaning Electronic Parts for High-Voltage Applications

Q. How can I clean electronic parts and assemblies for extremely high-resistance and/or high-voltage applications?

A. I recommend you clean with the product Detergent 8. Detergent 8 is an ion-free cleaner that cannot leave a conductive detergent residue. You use Detergent 8 at a 2-5% dilution (2.5 oz/gal to 6.5 oz/gal) depending on how you are using it. For soaking use 5%, for ultrasonic tanks use 3% and for pressure spray washing use 2%. Rinse thoroughly with deionized water after cleaning.

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Posted in Detergent 8, Electronic0 Comments

Air Shipping Citranox

Q. I want to air ship a sample of Citranox to one of our vendors for evaluation. Are there any shipping limitations on Citranox?
A. Citranox is a non-hazardous detergent that has no shipping restrictions or limitations.

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Posted in Citranox, Electronic0 Comments

Electronics Cleaning – Kovar

Q. What is Kovar? What cleaner would be recommended to clean Kovar?
A. Kovar is made up of 29% nickel, 17% cobalt, .2% silicon, .3% manganese and 53.5% iron. Kovar is known for its low coefficient of thermal expansion. Kovar end uses are usually glass sealing in the electronics industry.

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Posted in Citrajet, Citranox, Electronic0 Comments

Are there any PFOA or PFOS in Alconox Critical Cleaners?

Q. Is there any PFOA or PFOS in any Alconox cleaner?
A. PFOA and PFOS are perfluoro-octanoic acid and perfluoro-octane sulfonate. None of the Alconox, Inc brand cleaners contains PFOA or PFOS ingredients.

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Posted in Electronic, Pharmaceutical0 Comments