L-tyrosine solution

[Karl Fischer]

In article <49fl8o$lj8 at helka.iif.hu>, jencsa at net.sote.hu (Jeney Csaba) wrote:

> anybody could tell me a trick how can I make 20 mM L-tyrosine solution? 

According to the Sigma catalogue (usual disclaimers), solubility is
complete in 1 M HCl at 20 degrees (for a 500 mM solution). I would guess
that you could start with dissolving it at a higher concentration in 1 M
HCl and back-titrate towards neutrality.

Just a thought

Karl

-- 
Karl Fischer
tyr-2 at bones.biochem.ualberta.ca