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diluent-volume

Page 4 of 13 · 308 questions tagged diluent-volume.

308 questions · sorted by votes · page 4 of 13

26 votes5 answers31k views
If I reconstitute a 60 mg vial with 2.5 mL of bacteriostatic water, what concentration do I end up with?

What I am working with: 60 mg · 2.5 mL · bacteriostatic water. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by area_percent 13k · 16 months ago
26 votes 2 answers21k views
How do I get 10 units out of a vial reconstituted to 10 mg/mL without guessing?

What I have: 10 units · 10 mg/mL. I would like to understand the steps well enough to explain them to someone else. I have access to a refrigerator with a logger and…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by anja_hellstrom 13k · 17 months ago
26 votes 5 answers15k views
Is 5 mg/mL a sensible working concentration for survodutide, or should I go lower?

The particulars: 5 mg/mL · survodutide. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments for each and they do…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by bac_or_bust 37k · 20 months ago
26 votes 4 answers12k views
Can I reconstitute liraglutide at 6.67 mg/mL and still measure a small dose accurately?

The particulars: liraglutide · 6.67 mg/mL. I would like to define my thresholds before I have a result, for obvious reasons. I want a plan with explicit stopping…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by sian_llewellyn 85k · 6 months ago
26 votes0 answers4.3k views
Is 3.33 mg/mL a sensible working concentration for survodutide, or should I go lower?

For reference: 3.33 mg/mL · survodutide. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments for each and they…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by second_lot 11k · 6 months ago
25 votes4 answers46k views
How many vial-days does a 60 mg vial give at 2 mg/mL on a weekly schedule?

Setup, so nobody has to ask: 60 mg · 2 mg/mL. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by bufferline42 49k · 22 months ago
25 votes 5 answers42k views
If I reconstitute a 2.5 mg vial with 5 mL of 0.9% sodium chloride, what concentration do I end up with?

Conditions: 2.5 mg · 5 mL · 0.9% sodium chloride. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by threadlock7 14k · 2.0 years ago
25 votes 5 answers29k views
Is 2 mg/mL a sensible working concentration for semaglutide, or should I go lower?

The particulars: 2 mg/mL · semaglutide. I am trying to choose between two options that are usually discussed as though only one exists. I am not optimising for price,…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by tess_amankwah 48k · 15 months ago
25 votes 5 answers16k views
How do I get 15 units out of a vial reconstituted to 6.67 mg/mL without guessing?

The specifics, since they change the answer: 15 units · 6.67 mg/mL. I want a method I can write down and repeat, not a rule of thumb. I would rather over-engineer…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by sample_id 17k · 7 months ago
25 votes0 answers8.9k views
How many vial-days does a 60 mg vial give at 5 mg/mL on a weekly schedule?

Setup, so nobody has to ask: 60 mg · 5 mg/mL. I have worked this out and I would like someone to find the error, because I suspect there is one. My working so far,…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by imani_dube 19k · 6 months ago
25 votes0 answers6.8k views
If I reconstitute a 4 mg vial with 2.5 mL of phosphate-buffered diluent, what concentration do I end up with?

The specifics, since they change the answer: 4 mg · 2.5 mL · phosphate-buffered diluent. I would like the arithmetic checked rather than the conclusion asserted. I…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by bounty_hunter_q 18k · 8 months ago
24 votes 5 answers27k views
Is 4 mg in 1.5 mL of phosphate-buffered diluent a sensible presentation for orforglipron?

For reference: 4 mg · 1.5 mL · phosphate-buffered diluent · orforglipron. I would like to define my thresholds before I have a result, for obvious reasons. I want a…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by aine_mulcahy 35k · 2.3 years ago
24 votes0 answers19k views
Can I reconstitute a GLP-1 receptor agonist at 4 mg/mL and still measure a small dose accurately?

What I have: a GLP-1 receptor agonist · 4 mg/mL. This is a planning question. I know what my options are; I do not know how to weigh them. What I want is the minimum…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by threadlock7 14k · 2.1 years ago
24 votes5 answers14k views
Is 4 mg/mL a sensible working concentration for tirzepatide, or should I go lower?

The case in front of me: 4 mg/mL · tirzepatide. I would like the axes of comparison first and the recommendation second. I have tried the first option and it works;…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by haze_check 17k · 9 months ago
24 votes5 answers12k views
How many vial-days does a 2.5 mg vial give at 20 mg/mL on a weekly schedule?

Conditions: 2.5 mg · 20 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision as well as the…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by teodora_ilic 15k · 6 months ago
24 votes 5 answers12k views
Is 10 mg in 2.5 mL of 0.9% sodium chloride a sensible presentation for cagrilintide?

The case in front of me: 10 mg · 2.5 mL · 0.9% sodium chloride · cagrilintide. I want to decide this in advance so that I am not deciding it under pressure later.…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ivo_paunovic 15k · 19 months ago
24 votes 5 answers11k views
How do I get 25 units out of a vial reconstituted to 1 mg/mL without guessing?

What I have: 25 units · 1 mg/mL. I can find plenty of assertions about this and almost no reasoning, which is usually a sign that nobody has checked. Assume no…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by coldbox9 13k · 14 months ago
24 votes0 answers10k views
Can I reconstitute oral semaglutide at 4 mg/mL and still measure a small dose accurately?

For reference: oral semaglutide · 4 mg/mL. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by nils_karlberg 13k · 11 months ago
24 votes0 answers10k views
Is 8 mg/mL a sensible working concentration for ecnoglutide, or should I go lower?

The specifics, since they change the answer: 8 mg/mL · ecnoglutide. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by otto_brenner 19k · 7 months ago
24 votes0 answers9.1k views
If I reconstitute a 15 mg vial with 1.5 mL of phosphate-buffered diluent, what concentration do I end up with?

The specifics, since they change the answer: 15 mg · 1.5 mL · phosphate-buffered diluent. I would like the arithmetic checked rather than the conclusion asserted. I…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by thabo_maseko 20k · 14 months ago
24 votes5 answers4.3k views
Is 4 mg in 5 mL of phosphate-buffered diluent a sensible presentation for orforglipron?

For reference: 4 mg · 5 mL · phosphate-buffered diluent · orforglipron. I am at the decision point and I would rather think it through than improvise. I would rather…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ines_delacruz 16k · 3 months ago
23 votes0 answers35k views
How do I get 8 units out of a vial reconstituted to 3.33 mg/mL without guessing?

What I am working with: 8 units · 3.33 mg/mL. This is a procedural question rather than a theoretical one, and I would like the procedure rather than the theory. What…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by rukhsana_iqbal 14k · 2.3 years ago
23 votes 5 answers30k views
If I reconstitute a 40 mg vial with 2.5 mL of 0.9% sodium chloride, what concentration do I end up with?

Concretely: 40 mg · 2.5 mL · 0.9% sodium chloride. I want the working, not the result — I need to be able to redo it with different numbers. I care about the…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ivo_paunovic 15k · 16 months ago
23 votes 5 answers29k views
How do I get 5 units out of a vial reconstituted to 4 mg/mL without guessing?

What I have: 5 units · 4 mg/mL. I can find plenty of assertions about this and almost no reasoning, which is usually a sign that nobody has checked. Assume no…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by tabular_nums 47k · 13 months ago