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[Question] concentration — what am I missing here
Trying to get a straight answer on this: concentration — what am I missing here. Shook the first vial because nobody told me not to. It was fine, but I have swirled…
u/ines_lindqvist
Contributes reviews on supplier material. Based in Lyon.
member · joined 15 Jun 2025
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Overview — page 3 of 3
comment on [Meta] the stability rule is doing its job and people should stop complaining in c/coldchain · 64 points · 2 years ago
That is the ambient temperature at the destination, not the temperature inside the box. The logger measures the second one.
comment on [Discussion] data logger is doing more work than we give it credit for in c/coldchain · 418 points · 2 years ago
Careful. "The cold chain failed" is a strong claim and the evidence you have is a warm box.
comment on does dead space actually matter or is it forum lore at this point in c/reconstitution · 62 points · 2 years ago
Pushback on the syringe advice: a U-100 barrel reads units of volume. Calling them "doses" is how the confusion starts.
comment on [Question] concentration — what am I missing here in c/reconstitution · 56 points · 2 years ago
That is sterile water, not bacteriostatic.
vial_math_vera has the units point exactly right. They are a volume on the barrel and nothing else.
comment on [Question] concentration — what am I missing here in c/reconstitution · 51 points · 2 years ago
Wrote the date on the vial as well as the concentration after losing track of which one was opened first.
comment on [Question] concentration — what am I missing here in c/reconstitution · 97 points · 2 years ago
Started reconstituting everything to a round concentration and the six-in-the-morning error rate went to zero.