Posted on 28 October 2017.
Q. It appears that the Solujet is leaving a ring on some of the labware that cannot be removed. What is this ring (sodium silicate?)? How do we remove it? The labware has not been completely submerged. We have just added the Solujet soak for some labware that may have stubborn organics. We have been giving the labware a 4 hour soak in 1% Solujet, followed by warm tap water rinse then wash with Liquinox followed by 3x DI rinse.
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Posted in Laboratory, Liquinox, Manual Lab Cleaning, SolujetComments (0)
Posted on 03 October 2017.
Q. We have glassware that contains adhesive and API dissolved in organic solvents. If we do not do additional organic rinses prior to the aqueous rinses we have issues. Is there any way we can avoid the organic rinses?
A. To avoid organic rinses, you can soak in a high emulsifying cleaner such as a 1% Alconox solution (1.25 oz/gal or 10 g/L) prior to aqueous rinsing. Ideally soak in a warm or hot solution for fastest and most reliable results. The emulsifiers in Alconox will emulsify the solvents and active pharmaceutical ingredients (API). Be sure to rinse at the same temperature you are soaking at so you do not break the emulsion and redeposit the API or solvents. If you soak hot . . .
Posted in Alconox, Detergent 8, Manual Lab CleaningComments (0)
Posted on 15 June 2017.
Alcotabs® Tablet Pipet Detergent is a tablet that is designed to effervesce and give time release flotation and detergent cleaning in a siphon pipet washer. Alcotabs detergent dissolve to a pH near 7, starting out acidic and the pH rises as the effervescence slows down and eventually stops. The tablets contain anionic surfactants, phosphates, carbonates and organic acids.
Posted in Alconox, Alcotabs, Laboratory, Manual Lab CleaningComments (0)
Posted on 27 April 2017.
Q. We see white water spots on cleaned and depyrogenated vials. Looks to be scale from the washer. Do you have a recommended cleaning agent for vial washing? Click to read the answer.
Posted in Citrajet, Laboratory, PharmaceuticalComments (0)
Posted on 07 February 2017.
Q. Please provide advice on cleaning iron residues, Fe+2 and Fe+3, in lab glassware. We need to clean down to sub ppm levels.
A. The best iron salt removing detergent for manual cleaning of lab glassware is Citranox®. Citranox is a mild acid, high chelating detergent for high performance removal of…
Posted in Citrajet, Citranox, LaboratoryComments (0)
Posted on 01 August 2016.
Liquinox is your secret weapon in getting glassware, especially fine wine glasses, incredibly clean and residue free.
When your bar program has developed into craft made cocktails and your wine list boasts some of the best pours in the world, do you want your glassware to have the residues and fragrances from regular ware washing detergents? Obviously not.
Posted in Foodservice, LiquinoxComments (0)
Posted on 03 February 2016.
Q. The highest purity is needed for metal alloy crystal growth in quartz ampoules. Quartz tubing will be purchased new, but we want to make sure it’s as clean as possible for our experiments
A. For the cleanest possible quartz we recommend an alkaline detergent followed by an acid detergent. Read More.
Posted in Laboratory, Manual Lab CleaningComments (0)
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