fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 year agoThose were the days!mander.xyzimagemessage-square19fedilinkarrow-up110arrow-down10
arrow-up110arrow-down1imageThose were the days!mander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 year agomessage-square19fedilink
minus-squarehexthismess [he/him, comrade/them]@hexbear.netlinkfedilinkEnglisharrow-up1·1 year agoThey are using their mouths to suck liquids into pipettes. It was an old and dangerous lab technique.
minus-squaremexicancartel@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up1·1 year agoThen how are we supposed to do that?
minus-squareRBG@discuss.tchncs.delinkfedilinkEnglisharrow-up0·1 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
minus-squaremindbleach@sh.itjust.workslinkfedilinkEnglisharrow-up0·1 year agoThat’s the worst squirtgun ever.
minus-squarehexthismess [he/him, comrade/them]@hexbear.netlinkfedilinkEnglisharrow-up0·1 year agoUse a rubber bulb on the end of the pipette. That way your cartel members lab techs are safe.
minus-squaremexicancartel@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up1·1 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
minus-squareTonyTonyChopper@mander.xyzlinkfedilinkEnglisharrow-up1·1 year agodefinitely not standard procedure here in the US. And basic solutions can be more dangerous than acids.
minus-squaremexicancartel@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up1·1 year agoI guess they only gjve non toxic bases for school
minus-squareProfessorOwl_PhD [any]@hexbear.netlinkfedilinkEnglisharrow-up1·1 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.
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?
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
That’s the worst squirtgun ever.
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
definitely not standard procedure here in the US. And basic solutions can be more dangerous than acids.
I guess they only gjve non toxic bases for school
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.