how do you all measure a half unit, or do you just not
#reconstitution 2025-12-08
- eat_more_please — slightly off topic but bacteriostatic water for anything multi-use. sterile water has no preservative in it at all 07:50
- eat_more_please — 10mg in 1ml is 10mg/ml, so 2.5mg is 25 units. thats the one i use benzyl alcohol is what makes it bacteriostatic. it is about 0.9% typically 07:57
- seven_five_sweet — if you cannot read the mark confidently, your volume is too small. redo it at a lower concentration 09:40
slightly off topic but bacteriostatic water for anything multi-use. sterile water has no preservative in it at all
weighing the vial before you reconstitute is the only way to catch an underfill
the vacuum will pull it in. let it. fighting it is how you get a face full of aerosol
genuine question i write the mg/ml on the vial with a sharpie the moment i reconstitute it
10mg in 1ml is 10mg/ml, so 2.5mg is 25 units. thats the one i use
benzyl alcohol is what makes it bacteriostatic. it is about 0.9% typically
*2ml not 2.5
thats the vacuum
the powder is stuck to the stopper, do i care
i swirl for about thirty seconds and then leave it. never had one fail to dissolve
whats the smallest volume you would trust yourself to measure on a u100
the last few units are a real loss. i accept it rather than tilting the vial and drawing air
dead space in a standard insulin syringe hub is small but it is not nothing over a month
my vial pulled the water in on its own, is that the vacuum or did i do something
do you let it come to room temp before drawing or draw it cold
what do you do with the last 12 units when you cant draw them cleanly
nope, redo it
if you cannot read the mark confidently, your volume is too small. redo it at a lower concentration
why does everyone say 2ml specifically and not 1ml
i was wrong about this last year: it is fine to draw cold, it just stings more going in
my 10mg vial weighed 11.4g on the jewellery scale, is that wrong
thats 5mg/ml
give it 2 minutes at room temperature before you decide it has not dissolved