How to: Clean Quartz UV/Vis Cuvettes?
Could you please recommend the best detergent and the appropriate concentration for cleaning quartz UV/Vis cuvettes? We perform dissolution by UV/Vis on various pharmaceutical products (primarily tablets and capsules) in aqueous solutions (examples: phosphate buffers, citrate buffers, surfactants (SDS, SLS, Tween), dilute acids, etc.).
Mystery Residue: Left Over Detergent Residue?
Q: Whenever the Detonox is left in a stainless steel sink, it forms a white substance at the bottom of the sink. We have tested the water with Detonox in a glass beaker and it does not form the same ‘Scum’.…
Cleaning of Rouge and Passivation of Stainless
Q: We have a stainless steel large tank a piping system with rouge cleaning and passivation needs. Requiring a low foaming detergent, as we will run a CIP system. Can Alconox, LLC assist?
A: Rouge is the formation of iron oxide or hydroxide on stainless steel, often created by a corrosive over time or improper passivation efforts. To clean rouge we recommend a hot (65C / 150F or hotter) 3%….
Cleaning Visual Inspection
Q: I work for a medical device company where we make machined parts. I’m interested in finding a supplemental visual inspection tool that will aid in inspecting the surface of a part after being cleaned. A: We would recommend getting…..
How much CIP detergent needed?
Q: We are starting a new bioprocessing facility where we will be cleaning stainless steel tanks via a Clean-In-Place sprayball system? How do I approximate how much detergent I will need? We are considering Alcojet or Solujet, follow by an acidic rinse with Citrajet. Is this a good plan? Any advice? A: A good rule of thumb for tis you need about….
