ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We have recently had occasion to use commercially available tritiated folic acid specified by the manufacturer to be 100 per cent pure by dilution analysis and chromatography. As a check on the purity a sample of the tritiated folic acid was subjected to paper chromatography in subdued light, using ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/200922a0
Permalink