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Topic: mg to ug/ul  (Read 8699 times)

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Offline gbala87

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mg to ug/ul
« on: November 04, 2010, 04:36:00 AM »
Sir,

   I ve 10 mg of sample and i need to prepare a solution that brings up a final  concentration of 50ug/200ul. So give me a suggestion to prepare this required conc.
Thank u
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Offline sjb

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Re: mg to ug/ul
« Reply #1 on: November 04, 2010, 05:01:25 AM »
Quote from: gbala87 on November 04, 2010, 04:36:00 AM
Sir,

   I ve 10 mg of sample and i need to prepare a solution that brings up a final  concentration of 50ug/200ul. So give me a suggestion to prepare this required conc.
Thank u

How many portions of 50ug are there in 10mg?
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Offline gbala87

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Re: mg to ug/ul
« Reply #2 on: November 04, 2010, 10:20:19 PM »
Sir,

     I think there are 200 portions of 50ug in 10mg.
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Offline sjb

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Re: mg to ug/ul
« Reply #3 on: November 05, 2010, 03:17:45 AM »
Quote from: gbala87 on November 04, 2010, 10:20:19 PM
Sir,

     I think there are 200 portions of 50ug in 10mg.

Sounds about right. How many portions of 200 ul do you then need?
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Offline gbala87

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Re: mg to ug/ul
« Reply #4 on: November 05, 2010, 10:45:47 AM »
Sorry sir i couldnt get it
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Offline sjb

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Re: mg to ug/ul
« Reply #5 on: November 05, 2010, 01:52:05 PM »
If you have 100 eggs, and you need 2 eggs and 100 g of flour to make a cake, how many cakes can you make using your eggs, and how much flour do you need?
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Offline gbala87

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Re: mg to ug/ul
« Reply #6 on: November 06, 2010, 09:49:33 AM »
50 cakes and 5000 gram flour
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Offline sjb

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Re: mg to ug/ul
« Reply #7 on: November 06, 2010, 11:20:02 AM »
How did you work out how much flour you needed?
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Offline gbala87

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Re: mg to ug/ul
« Reply #8 on: November 07, 2010, 12:46:14 AM »
100 g of flour is needed for a cake and each cake needs 2 eggs.
Since we ve 100 eggs it is possible to make 50 cakes and totally 5000 g of flour will be needed.
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Offline sjb

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Re: mg to ug/ul
« Reply #9 on: November 07, 2010, 04:37:52 AM »
So if you have 200 portions of 50 ug in 10 mg, and each portion requires 200 ul, what volume of solution do you need to make up?
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Offline gbala87

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Re: mg to ug/ul
« Reply #10 on: November 07, 2010, 06:59:27 AM »
40ml. So if i dissolve 10mg in 40ml of saline, would it mean that 200ul of this solution will carry 50ug?
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