Science Memes

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Those were the days! (mander.xyz)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 46 points 1 year ago (23 children)

Explanation? Are these guys huffing ether or something?

[–] [email protected] 40 points 1 year ago (14 children)

They are using their mouths to suck liquids into pipettes. It was an old and dangerous lab technique.

[–] [email protected] 9 points 1 year ago (13 children)

Then how are we supposed to do that?

[–] [email protected] 29 points 1 year ago (1 children)

Use a rubber bulb on the end of the pipette. That way your ~~cartel members~~ lab techs are safe.

[–] [email protected] 7 points 1 year ago (3 children)

We still use mouth in secondary school. I guess its same in undergraduate degree too. But yeah we only take the base in acid-base titration in pipette

[–] [email protected] 8 points 1 year ago

Jesus Christ. 20 years ago my chem teacher used to tell me about the bad old days of having to do this, that it's still happening today is horrifying.

[–] [email protected] 7 points 1 year ago (1 children)

definitely not standard procedure here in the US. And basic solutions can be more dangerous than acids.

[–] [email protected] 3 points 1 year ago

I guess they only gjve non toxic bases for school

[–] [email protected] 2 points 1 year ago (1 children)

Now you know

[–] [email protected] 2 points 1 year ago

Poi ump

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