fossilesque@mander.xyzM to Science Memes@mander.xyz • 1 year agoThose were the days!imagemessage-square14 fedilinkarrow-up1129
arrow-up1129imageThose were the days!fossilesque@mander.xyzM to Science Memes@mander.xyz • 1 year agomessage-square14 Commentsfedilink
minus-squarehexthismess [he/him, comrade/them]hexbear29·1 year agoThey are using their mouths to suck liquids into pipettes. It was an old and dangerous lab technique. link
minus-squaremexicancartel@lemmy.dbzer0.comhexbear7·1 year agoThen how are we supposed to do that? linkfedilink
minus-squarehexthismess [he/him, comrade/them]hexbear22·1 year agoUse a rubber bulb on the end of the pipette. That way your cartel members lab techs are safe. link
minus-squaremexicancartel@lemmy.dbzer0.comhexbear6·1 year agoWe 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 linkfedilink
minus-squareProfessorOwl_PhD [any]hexbear5·1 year agoJesus 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. link
minus-squareRBG@discuss.tchncs.dehexbear13·1 year agoI am a bit concerned everyone is just mentioning the squeeze rubber ball thing, maybe because its time appropriate for the images. But in modern times people should use something like this https://www.integra-biosciences.com/global/en/pipette-controllers/pipetboy-acu-2 linkfedilink
They are using their mouths to suck liquids into pipettes. It was an old and dangerous lab technique.
Then how are we supposed to do that?
Use a rubber bulb on the end of the pipette. That way your
cartel memberslab techs are safe.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
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.
Now you know
Poi ump
I am a bit concerned everyone is just mentioning the squeeze rubber ball thing, maybe because its time appropriate for the images.
But in modern times people should use something like this https://www.integra-biosciences.com/global/en/pipette-controllers/pipetboy-acu-2