Laboratory

Q. We need to replace sodium hypochlorite soak solution that we use during the inital cleaning of glassware that was used for any biological fluids.
A. Use a freshly made 1% Tergazyme (1.25 oz/gal or 10 mL/L) in warm water (not exceeding 130 deg F) followed by a thorough warm water rinse to remove biological fluids … Read More.

Q. We have a yellowish color on some of our beakers (even after washing at 150 deg F). It looks like it is scale build up. Are we using the right detergent, we have tried alconox powder & Liquinox. Do you think we need a detergent that is more acidic? This is our first time using an ultrasonic machine. We are trying to find the best produce for our application. Do we need to wash longer or at a higher concentration.
A. It is possible there is some kind of inorganic yellowish scale that is not being removed by the Alconox or Liquinox detergents. We recommend… Read the Full Story.

Q: I am looking for an alternative for cleaning glassware. I am going to perform a staining procedure using ammoniacal silver (diamine silver) and another one using silver nitrate. The protocols are very specific about using “chemically clean glassware”, but…

Q. We work with oil samples so it is necesary to get a good cleaner for this kind of material.

A. For manual cleaning of glass and metal sampling equipment and labware, use a warm or hot 1% Liquinox solution (10 mL/L or 1.25 oz/gal) followed by a thorough warm or hot rinse. Learn More.

Q. How do I clean liver residues on glassware wells?

A. Cleaning glassware wells with liver residues, rich in proteins that can cross-link, can be very difficult. To clean liver residues, we recommend you soak the glassware wells in a warm (110-130 deg F maximum) 1% Tergazyme solution (10 g/L or 1.25 oz/gal). Rinse thoroughly. Try to minimize… Read More.