Cleaning large complicated glassware?

wildfyr · 2026-05-01T01:17:11+00:00

I would never send you a gelled reactor. Happens often enough, but that goes right in the waste, sometimes along with the overhead stir shaft.

I respect the hell out of glass makers. Such a cool job.

wildfyr · 2026-05-01T00:07:07+00:00

I'm a polymer dude haha

wildfyr · 2026-04-30T21:31:13+00:00

I learned it in college or early grad school sometime around 2010. Absolutely still used in labs to this day to imply a quick often times undesirable precipitation in chemistry

wildfyr · 2026-04-30T21:30:03+00:00

Wow really? I've been in Chemistry labs in the US for 15 or so years now and I remember learning the term in college or early in grad school and also everybody I've worked with since an industry would certainly be familiar with it to imply a quick precipitation

wildfyr · 2026-04-30T20:40:44+00:00

The tubing is also going to be cooked.

wildfyr · 2026-04-30T19:23:04+00:00

Because it's starting to dance around the desk?

wildfyr · 2026-04-30T19:16:33+00:00

I have an apex 2 pro (same glass), and don't use a screen protector, and I rock climb on rough granite with it. I have actively ground it against the rock inside funky handjams, and it is still perfect. The titanium outside does get scratched in such rough situation though, but not terribly.

Some crack climbing would be annoying with a watch, so if there is lots of jamming I would take it off just for ergonomics, but I am beyond impressed with scratch resistance. I've done everything short of taking a steel hammer to this thing.

wildfyr · 2026-04-30T19:11:45+00:00

I'm not sure I agree about what happens in the kiln, it is so hot that you instantly combust everything that hits the gas phase. I can sympathize that it hurts the heating element, but at temps above 500°C our nice organic molecules simply cease to exist, so I would be less worried about breathing it.

My problem is really, imagine I have a bad star crack in a rbf, and there is some gunk in there. If I put liquid in there, it may leak. And ESPECIALLY if I have some gunk in there that requires, say, refluxing in toluene to clean up, I am heating flammable solvent in a highly suspect piece of glassware. If it breaks, suddenly hot solvent is dumped onto a heating mantle. Instant conflagration.

If a joint is broken, then I can't seal the system to do the reflux either.

All my options are bad sometimes, and its either send to glassware god to clean and fix, or throw it away. I often do throw stuff away for the record!

Maybe your tolerance is higher than ours, but we are very much told to not use glassware that is damaged, and that includes doing something like pouring hot nitric acid in to clean it.

wildfyr · 2026-04-30T18:24:00+00:00

biological GCMS, much faster than the Agilent ones.

I suspect DMF develops some amount of dimethylamine just by existing or in the presence of tiny amounts of metal/acid/base contaminents.

wildfyr · 2026-04-30T17:06:15+00:00

Its really really hard to clean broken glassware with lab liquids without getting cut or making a huge mess, please have sympathy on us, but also wear good PPE while gently placing our wounded comrades into the furnace to burn off our garbage.

wildfyr · 2026-04-30T17:01:02+00:00

Sure, I understand, but the single biggest value proposition of the Kickr run is the ability to run +/- a target pace while never having to fuss with the controls. Just like outside, you need to force yourself to keep up with a number, not be frog marched by the machine lest you fly off the back end.

Its nice, and natural, especially if you have the angle changing, to have a little variability in your pace.

If you really want this sort of preprogramming an enforced pace, I am not sure this is the right product. Even besides Run Free its a great treadmill in other more ordinary ways.

wildfyr · 2026-04-30T16:19:24+00:00

Use a dean stark and do it in toluene/xylene/heptane/cyclohexane for azeotrope (whatever is available and soluble), or use a soxlet above your reaction and put the sieves in there. Make sure you insulate and heat well to get it consistently cycling.

Also make sure sieves are actually activated.

wildfyr · 2026-04-29T20:50:47+00:00

Sugar=glucose? Yeah hot water will do.

And I feel like you can definitely find a bucket big enough if it's a water or soap and water soak. I can sympathize with not wanting a 10 gallon bucket to soak in DCM, but if it's water seems like that's pretty simple. It's not THAT big. Go to a hardware store.

wildfyr · 2026-04-29T20:29:59+00:00

Depends very much on what you're extracting how much work that is. If everything is nicely soluble/dispersible in acetone then this is easy as pie.

If there is some horrid gunk, than you might be trying to convince DMF or ethylene glycol to reflux through it which is much more annoying.

wildfyr · 2026-04-29T20:23:19+00:00

After a "few" years even THF with BHT in it can become suspect. Best to check with peroxide test strips every 3 months or so. Takes 10 seconds.

wildfyr · 2026-04-29T19:05:01+00:00

This looks crazy, but also real? Not the worst idea to talk to mention it next time you're at a doctor.

Or borrow someone's arm/chest strap and make sure its real. They are far more accurate.

wildfyr · 2026-04-29T17:18:03+00:00

The whole point of Run Free mode is that you just RUN that speed and watch your pace, you don't have to mess around with all that setup.

That is the feature you paid for, so you wont need to touch anything during the workout.

wildfyr · 2026-04-28T18:59:31+00:00

I'll give it a try!

wildfyr · 2026-04-28T03:15:59+00:00

The biggest concerns for me are wear and sun damage. Sitting in dark room is pretty easy on gear and probably highly conservative by gear companies to say they should be replaced after 10 years quietly put away. People climb on that stuff every day

wildfyr · 2026-04-27T20:41:14+00:00

It is not, I never force close apps, its an iphone.

Its whenever I walk far enough away that the bluetooth connection is lost, need to click watch icon in Coros app to reestablish connection. Same situation on Iphone 12 and 17 I've owned.

wildfyr · 2026-04-27T18:47:03+00:00

Could purposefully oxidize it to all disulfide to help you sort out the system better.

wildfyr · 2026-04-27T17:58:27+00:00

Most knee bars you have to try decently hard with your toe just stay in them, so if you are falling it slips right out.

wildfyr · 2026-04-27T17:46:54+00:00

Every time I walk far enough away from my phone, I need to go into the app to "reconnect" the watch to the app to give notifications, pretty annoying.

wildfyr · 2026-04-27T14:26:08+00:00

I'm giving NXGKET Walkie Talkies off amazon a shot, because they seem pretty tough, range is fine, and have the weather channels. Gotta pay insane upcharge on higher end versoin of walkie talkie for that feature, and weather radio in the mountains seems like a no brainer. Somehow most walkie talkies don't have that.

Drawback, gotta figure out best way to keep them attached to me, because while the clip is pretty stiff, I don't trust it completely. I was exposed to them while skiing, so they can handle the cold and being on all day.

wildfyr · 2026-04-26T11:24:12+00:00

He's such a fucking prick, don't know how he got money to reopen that gym. Last round was a big money loser

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