Do I Need an “ASME-stamped” Autoclave Sterilizer?

Many lab and facility managers are unsure whether or not they need to worry about their steam autoclave sterilizer being “ASME-stamped.” Short Answer: Yes, Always Buy an Autoclave Sterilizer Built to ASME Standards Play it safe and look for the ASME stamp. First and foremost, it’s a matter of life safety: a faulty autoclave sterilizer … Continue reading “Do I Need an “ASME-stamped” Autoclave Sterilizer?”

Autoclave Sterilizer Explainer: What is an “ASME stamp”?

Having an “ASME stamped” pressure vessel is one of the key price differentiators for an autoclave sterilizer. The is especially the case with the smaller autoclaves marketed towards start-up research labs, microbrewers, and the cannabis industry. As a rule, autoclave sterilizers that don’t have an ASME stamp are going to be cheaper—and, as always, you … Continue reading “Autoclave Sterilizer Explainer: What is an “ASME stamp”?”

Your Biohazard Waste Autoclave Procedure: What Time and Temperature?

When we last discussed red-bag waste autoclave procedure, we talked about running “your standard waste cycle” (noting that these vary by lab). So how do you determine your lab’s “standard” biohazard waste cycle?  The general rule for autoclave sterilization taught at most colleges is “15 minutes at 121ºC kills everything.“  But that’s definitely too short … Continue reading “Your Biohazard Waste Autoclave Procedure: What Time and Temperature?”

Lab Autoclave Function Primer: Intro to Air Ballast Systems

In general, autoclaving sealed flasks is a very, very bad practice.  But that isn’t to say it’s impossible.  If you need to sterilize sealed containers, then you need to make sure you have a special autoclave function to do it safely: an “air ballast” system. What’s an “Air Ballast” Autoclave Function? All steam autoclaves use … Continue reading “Lab Autoclave Function Primer: Intro to Air Ballast Systems”

Research Lab Autoclave Best Practices: The Liquid Cycle Won’t Save You

Every modern research lab autoclave has a “liquid cycle”—a cycle just for processing liquids, growth media, and so on.  Nonetheless, more often than not, if you fill a bunch of 1L bottles up to 900mL and process them on the “liquid cycle” they’re going to come out like this: The glass isn’t cracked; where did … Continue reading “Research Lab Autoclave Best Practices: The Liquid Cycle Won’t Save You”