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Your vial
More water makes the solution weaker and the volume on the syringe larger, which is easier to measure. Less water does the opposite.
Your solution
10 mg of peptide spread through 2 ml of liquid.
One unit on the syringe holds 50 mcg
Concentration is the peptide divided by the water. The vial still holds 10 mg either way, so adding more water never changes how much peptide is in there. It changes how much liquid that peptide is spread through.
That matters because the liquid is what you measure. A stronger solution means a smaller volume on the syringe, and small volumes are harder to read. A weaker solution puts the same peptide further along the barrel, where it is easier to see.
Insulin syringes are marked in units. One hundred units is 1 ml, so one unit is 0.01 ml. That is why the same vial can give very different unit readings depending on the water you added.
There is no single correct volume. It is a measurement decision rather than a strength decision, because the peptide in the vial stays the same regardless. Most people work with 1 ml to 3 ml and pick the volume that puts their measurement in a comfortable part of the syringe.
Milligrams of peptide in every millilitre of the finished solution. At 5 mg per ml, every millilitre you draw contains 5 mg, and every 0.1 ml contains 0.5 mg, which is the same as 500 mcg.
One hundred, on the standard U-100 scale used by almost every insulin syringe sold in Australia. A 0.5 ml syringe is marked to 50 units and a 0.3 ml syringe to 30 units, but the scale is identical, so 10 units means 0.1 ml on all three.
Not by enough to matter at these quantities. A few milligrams of freeze-dried powder displaces a negligible amount of liquid, so the calculator treats the water you add as the final volume.
Almost always because they added different amounts of water. The same 10 mg vial reads 10 mg per ml with 1 ml of water and 2 mg per ml with 5 ml. Both are correct, and both hold the same 10 mg.
No. NuVion supplies research materials and does not provide dosing guidance. This calculator converts numbers you enter and does not suggest an amount for any compound.
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