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c/reconstitution·submitted 1 year ago by u/vito_beaulieu

bacteriostatic water: the version I wish someone had shown me in week 1

PSAbranch of 6 comments

Genuinely asking, not being difficult. Everyone in c/cagrilintide repeats that mg/mL is important. I believe it, but I have never seen anyone show why, and when I search I get 5 threads of people agreeing with each other. Is there a paper? Is there a measurement? Or is this one of those things that is true because it…

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6 comments, started 1 year ago
u/wanjiru_varga10 points·1 year ago

Water content matters more than people think. If a vial is carrying residual moisture, your "10mg" is not 10mg of peptide.

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[removed]7 points·1 year ago

[removed by moderator]

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u/hub_opssite staff11 points·1 year ago

swirl, do not shake, or you are courting oxidation

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u/quiet_reader_995 points·1 year ago

Cosigning. The concentration on the vial in marker is load-bearing.

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u/vito_beaulieuOP8 points·1 year ago

Reconstituted at 3mL when I meant 16mL. Caught it because the units looked wrong. Write the concentration.

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u/ahmed_rasmussen8 points·1 year ago·edited

stopper coring on the 17th draw because you keep using the same entry point. rotate.

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The arithmetic and the technique. Bacteriostatic versus sterile water, reconstitution volume as a concentration choice, converting mg/mL into insulin-syringe units, dead space, swirl-not-shake, stopper coring, and how long a reconstituted vial is actually good for. Math errors get corrected fast and politely.

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