the meniscus thing is real. read it at eye level or you are guessing by a unit either way
#reconstitution 2025-11-16
Sunday16 messages4 participantstimes are UTC
Highlights from this day
- nausea_window — took me a year to stop over-diluting. the measurement error at 4 units is worse than the convenience 13:18
- nausea_window — if the maths gives you 13.7 units, change the volume. do not try to hit 13.7 20mg in 2ml is 10mg/ml. 1mg is 10 units, 2mg is 20 units, easy 14:23
- see_a_clinician — do not add more bac water to an already reconstituted vial, you have lost track of the concentration 14:35
- secretagogue_sy — my rule is one concentration for everything so i never have to think about it at 7am 14:37
- secretagogue_sy — sanity check my maths before i pin myself with something stupid temperature of the diluent does not matter. how fast you push it in does 14:40
took me a year to stop over-diluting. the measurement error at 4 units is worse than the convenience
my 10mg vial weighed 11.4g on the jewellery scale, is that wrong
anyone else find the 20mg vials harder to get fully dissolved than the small ones
15mg in 3ml is 5mg/ml. same numbers as 10 in 2, just more of it, i have it written down somewhere
coming back to this is the meniscus reading actually a real source of error or am i overthinking
if you draw up with a bigger pin and inject with a fresh one you lose a bit more to dead space
if the maths gives you 13.7 units, change the volume. do not try to hit 13.7
20mg in 2ml is 10mg/ml. 1mg is 10 units, 2mg is 20 units, easy
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is it normal for the cake to look slightly collapsed on one side
clear or bin it
foam is bad
do not add more bac water to an already reconstituted vial, you have lost track of the concentration
a slightly collapsed cake is cosmetic. a puddle in the bottom is not
my rule is one concentration for everything so i never have to think about it at 7am
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sanity check my maths before i pin myself with something stupid
temperature of the diluent does not matter. how fast you push it in does
the powder is stuck to the stopper, do i care