TechNotes

Q. Q. We are having an issue plating aluminum on glass castings. It appears there is mold release left on the glass after the casting. The glass manufacturer recommended Alconox detergent. Is that what you would your recommend for cleaning the glass? Whatever we use, it probably needs to be a soak at a high temperature (>170°)? Is this procedure good or should we use an ultrasonic at the higher temperature?

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Q. What do you recommend for cleaning glass equipment between salt tests? We are removing inorganic salt residue. A. There are many kinds of salt tests, such as corrosion, resistance, conductivity or solubility. When removing inorganic salt residue from a glass substrate, such as sodium chloride, calcium chloride, calcium carbonate or magnesium carbonate, we recommend…

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Q. We are attempting to validate our glassware washing process and found trace contaminants of phenol remaining after the washing process. Is there another detergent that is able to remove phenol better then Liquinox®?

A. In general, for manual cleaning, Liquinox® should be an excellent choice for removal of phenol residues. For very low level trace analysis, additional rinsing may be required. For routine laboratory cleaning, a triple rinse is typically used. For trace analysis, a 6 time rinse with purified water is typically used. For extreme low level trace analysis . . .

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Q. Some of our glassware was left soaking in Alconox or Alconox and then bleach for a long period of time. Is this okay? A. Laboratory glassware that is completely submerged in an Alconox® solution is generally ok even with extended soaking. However, if you leave the laboratory glassware partially submerged…

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Fine wines and aromatic craft cocktails require glassware that will not contribute interfering fragrances, change the way the liquid swirls in the glass, or alter the profile of legs glistening on the side of the glass.

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