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diluent-volume

Page 11 of 13 · 308 questions tagged diluent-volume.

308 questions · sorted by votes · page 11 of 13

9 votes 5 answers13k views
How many vial-days does a 2 mg vial give at 10 mg/mL on a weekly schedule?

What I have: 2 mg · 10 mg/mL. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is what I…

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 drawn_and_capped 15k · 20 months ago
9 votes 5 answers11k views
If I reconstitute a 15 mg vial with 3 mL of phosphate-buffered diluent, what concentration do I end up with?

The specifics, since they change the answer: 15 mg · 3 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 forty_units 14k · 5 months ago
9 votes 5 answers8.2k views
If I reconstitute a 60 mg vial with 0.5 mL of bacteriostatic water, what concentration do I end up with?

What I am working with: 60 mg · 0.5 mL · bacteriostatic water. I have worked this out and I would like someone to find the error, because I suspect there is one. My…

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 colm_dunphy 16k · 3 months ago
9 votes4 answers5.1k views
How do I get 30 units out of a vial reconstituted to 3.33 mg/mL without guessing?

What I am working with: 30 units · 3.33 mg/mL. Everything I have found on this is either a forum aside or a product page, neither of which I trust. I am comfortable…

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 void_volume 13k · 10 days ago
9 votes 5 answers4.8k views
How many vial-days does a 20 mg vial give at 8 mg/mL on a weekly schedule?

Stated plainly: 20 mg · 8 mg/mL. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude and it seems…

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 threadlock7 14k · 26 days ago
9 votes 5 answers4.7k views
Can I reconstitute retatrutide at 20 mg/mL and still measure a small dose accurately?

What I am working with: retatrutide · 20 mg/mL. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not tight, and my…

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 eighty_six_hours 16k · 7 months ago
9 votes0 answers4.6k views
If I reconstitute a 20 mg vial with 1.5 mL of bacteriostatic water, what concentration do I end up with?

What I am working with: 20 mg · 1.5 mL · bacteriostatic water. I have worked this out and I would like someone to find the error, because I suspect there is one. My…

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 priya_menon 11k · 7 months ago
9 votes0 answers4k views
How do I get 8 units out of a vial reconstituted to 8 mg/mL without guessing?

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

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 aine_mulcahy 35k · 8 months ago
9 votes2 answers3.9k views
How many vial-days does a 2.5 mg vial give at 3.33 mg/mL on a weekly schedule?

The case in front of me: 2.5 mg · 3.33 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…

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 tabular_nums 47k · 14 months ago
9 votes 5 answers3.3k views
How do I get 10 units out of a vial reconstituted to 2.5 mg/mL without guessing?

For reference: 10 units · 2.5 mg/mL. I want a method I can write down and repeat, not a rule of thumb. I would rather over-engineer this than discover a problem…

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 · 5 months ago
9 votes 2 answers2k views
If I reconstitute a 20 mg vial with 2 mL of bacteriostatic water, what concentration do I end up with?

Setup, so nobody has to ask: 20 mg · 2 mL · bacteriostatic water. I have worked this out and I would like someone to find the error, because I suspect there is one.…

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 day_seven_trough 11k · 3 months ago
8 votes 5 answers20k views
Is 2.5 mg/mL a sensible working concentration for mazdutide, or should I go lower?

What I am working with: 2.5 mg/mL · mazdutide. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can obtain either…

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 ilaria_bertone 43k · 2.1 years ago
8 votes5 answers12k views
How many vial-days does a 40 mg vial give at 5 mg/mL on a weekly schedule?

The case in front of me: 40 mg · 5 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…

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 Dr_Jonas_Halvorsen 41k · 10 months ago
8 votes 3 answers12k views
How do I get 8 units out of a vial reconstituted to 2 mg/mL without guessing?

The case in front of me: 8 units · 2 mg/mL. I have done this once and I suspect I got away with it rather than got it right. For context: I keep records of every…

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 void_volume 13k · 2.2 years ago
8 votes5 answers12k views
If I reconstitute a 20 mg vial with 5 mL of bacteriostatic water, what concentration do I end up with?

Stated plainly: 20 mg · 5 mL · bacteriostatic water. I have worked this out and I would like someone to find the error, because I suspect there is one. My working so…

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 cal_hennessy 14k · 9 months ago
8 votes0 answers10k views
Can I reconstitute retatrutide at 8 mg/mL and still measure a small dose accurately?

What I am working with: retatrutide · 8 mg/mL. I am trying to build something sustainable rather than something thorough that I will abandon. I have already decided…

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 Dr_Otto_Lindqvist 38k · 2.1 years ago
8 votes 5 answers10k views
How do I get 12 units out of a vial reconstituted to 2 mg/mL without guessing?

Concretely: 12 units · 2 mg/mL. I have done this once and I suspect I got away with it rather than got it right. For context: I keep records of every batch, every lot…

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 rania_haddad 17k · 20 months ago
8 votes 4 answers7.9k views
If I reconstitute a 4 mg vial with 0.5 mL of phosphate-buffered diluent, what concentration do I end up with?

For reference: 4 mg · 0.5 mL · phosphate-buffered diluent. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers…

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 marcus_thorbjorn 16k · 7 months ago
8 votes 4 answers7.2k views
Is 15 mg in 3 mL of phosphate-buffered diluent a sensible presentation for orforglipron?

For reference: 15 mg · 3 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 nils_karlberg 13k · 8 months ago
7 votes 5 answers14k views
If I reconstitute a 50 mg vial with 2 mL of phosphate-buffered diluent, what concentration do I end up with?

The particulars: 50 mg · 2 mL · phosphate-buffered diluent. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers…

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 tandem_gradient 85k · 10 months ago
7 votes 2 answers10k views
Is 10 mg in 1 mL of 0.9% sodium chloride a sensible presentation for cagrilintide?

The case in front of me: 10 mg · 1 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 juan_esquivel 14k · 16 months ago
7 votes3 answers10k views
Can I reconstitute cagrilintide at 6.67 mg/mL and still measure a small dose accurately?

Numbers first: cagrilintide · 6.67 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 viable…

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 rune_thoresen 14k · 9 months ago
7 votes 4 answers9.9k views
Is 2 mg/mL a sensible working concentration for orforglipron, or should I go lower?

Numbers first: 2 mg/mL · orforglipron. I want to know what the trade-off actually is rather than which option is fashionable. I would rather have a defensible reason…

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 nils_karlberg 13k · 9 months ago
7 votes4 answers8.4k views
If I reconstitute a 2.5 mg vial with 2.5 mL of 0.9% sodium chloride, what concentration do I end up with?

The case in front of me: 2.5 mg · 2.5 mL · 0.9% sodium chloride. Please show the division. I want to check my own against yours. I would like the general form as well…

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 bufferline42 49k · 5 months ago