ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The paper chromatogram is dipped into the first reagent mixture, which is prepared by adding 10 ml. of concentrated nitric acid to 90 ml. of ethanol. It is then drained, and heated in an oven or over a hot plate at 95-100 C. for 10 min. (heating above 105 C. makes the paper yellow). The paper is ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/1811730b0
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