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a stock solution is diluted serially by 1 in 25, then 1ml of this solution was added to 20mL of buffer solution, what is the overal dilution factor? what is the main problem with the 2nd dilution
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Re: help
Dilution factor 500? i.e. final solution 1/500th strength of original.
I would have thought main problem with second dilution is that you're getting a homeopathic stylee stregth to work with.
Do I pass?
Linnear MRPharmS
Foetal Alcohol Spectrum Disorder: The biggest cause of brain damage and 100% preventable.
In pregnancy: 1 fag is not safe, 1 x-ray is not safe and 1 drink is not safe.
For handy pharmacy links try
pharmacistance.co.uk
If you like my posts or letters in the journal try my books!
eloquent-e-tales -
Re: help
I don't pass do I?
1ml added to 20ml not 1ml in 20ml. Bugger!Linnear MRPharmS
Foetal Alcohol Spectrum Disorder: The biggest cause of brain damage and 100% preventable.
In pregnancy: 1 fag is not safe, 1 x-ray is not safe and 1 drink is not safe.
For handy pharmacy links try
pharmacistance.co.uk
If you like my posts or letters in the journal try my books!
eloquent-e-talesComment
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Re: help
Dunno - you have now successfully answered the second part of the question ;-)Originally posted by Linnear View Post
JeffComment
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Re: help
You have problem with the 2nd dilution?
It's impossible!Comment
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