Ultrasonic Cleaning: suitable containers

[lowwall]

My knowledge goes as far as „the ring thing“ = benz-

No that's Audi.

(Sorry. Couldn't resist.)

 

[Mobulai]

No that's Audi.

(Sorry. Couldn't resist.)

Touché, I actually audibly laughed *slow clap*

 

[Duglum]

@Mobulai since you're 'here' afaik.. i've had great success on Mk20 and G250 parts with that stuff: Ultraschallreiniger Sauer - Schmutzexperte

But be careful... it's ultra aggressive.

 

[rsingler]

A little follow up...
Tried this cookie tray using @Tanks A Lot 's logic. Not too big an impedance mismatch, and thin!

Here are the results:

Not much reduction in efficiency that I can see.
And the cookie tray has nice dividers to separate my delicate parts.

As you can see in the first photo, against my better judgment, I took a chance on a (third!!) imported inexpensive U/S, after my first two crapped out right around warranty expiration. @wdeutsch suggested DKSonic, so I found a model with knobs instead of those wafer switches and LED indicators. I hope he's right, because now I won't need a container at all. One for Acid, and one for Extreme Simple Green. And a lot less expensive than Branson.

On the acid side, after input from @Tanks A Lot, I just took delivery on 8oz of cosmetic industry CAPB (cocamidopropyl betaine). I'm going to switch my surfactant from 0.5% propylene glycol to this stuff and see how it works.
More to follow...

 

[wdeutsch]

As you can see in the first photo, against my better judgment, I took a chance on a (third!!) imported inexpensive U/S, after my first two crapped out right around warranty expiration. @wdeutsch suggested DKSonic, so I found a model with knobs instead of those wafer switches and LED indicators. I hope he's right, because now I won't need a container at all. One for Acid, and one for Extreme Simple Green. And a lot less expensive than Branson.

I'll keep my fingers crossed that your DKSonic doesn't make a liar out of me. I just checked the lab records and the older one we have has been going strong since May of 2022, the newer one since June of 2023. So, fingers crossed.

It occurred to me that those of you in larger metro areas with science/tech industry (bay area, San Diego, Dallas, NJ) may be able to get Branson sonicators for cheap too. HGP auctions (Liquidation Auction - Equipment Auctions | HGP Industrial Auction) runs lab surplus auctions with overstock from the big pharma operations and liquidations from startups going out of business. Branson sonicators (and good microscopes, and all kinds of nifty labware) show up all the time and often sell for $20 or less. You generally have to do local pickup, though, so it's not feasible for most of us.

Thanks for the research here, Robert!

 

[happy-diver]

There's stuff like knowledge and equipment that I take for granted thinking all people know about this stuff

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So it bypasses my mind as I don't think about it like diving and driving, thinking others do too

 

[happy-diver]

I tried to look for your special recipe

It's ironic you're in Salt Lake City is that stuff not the basis for much, go down grab a bucket and test

Dude, I ain't got no clue about what I do except when as a kid I got some pen on mums fabric couch
I didn't get the mop and bucket or tell my parents so they could get the mop and bucket but instead
drew some pen on the back corner under it, mixed some chemicals, until I removed it, to pristineness

I've been in factories where the people sit by 44gallon drums pulling out eyedropper quantiies to mix
with water to sell to the people to wash their stuff I ain't payin for that, I'll leave that to the professors

So you go to wherever you go and find these

And then you find this bit

And then you wing it




Someone once asked me how much washing powder to use, I can't help those people as I don't know


But I do know to use hot hot water or microwave your chemicals and you're clean in a flash and diving
while the professors are there at their bench, waiting for the ultrasonmachine to warm up and blow up
watching with pure joy, the bubbles emanating from the parts, the sonic waves, swirling on the surface


Experiment damage something you can buy another as my bank manager once said, we can't cut it off


We are governed not by others but by our own inability to explore

 

[rsingler]

That's me, @happy-diver !
Sipping my glass of wine, watching the bubbles swirl...

But yeah, I can't seem to keep an imported U/S machine alive for long.

 

[happy-diver]

Prophet Singler, peace be upon him, and Professalot with all his manuals, have at it with your collaborations

With vigorousness I choose to remain the dumb one