The James M. DuPont Meteorite Collection - HI- -HCl treatment. Most of this material is amorphous carbon with traces of MgF2 and organic matter. The line is 20 n in length. A ttempls at Identification of Some...
The James M. DuPont Meteorite Collection - to their surface, and httle structural detail could be resolved with either phase-contrast or brightfield microscopy. The possible nature of these particles will be discussed in the...
The James M. DuPont Meteorite Collection - treatment. There is no staining of nuclei; DNA has been depoly- merized and extracted. iF) Kimberlite, methyl green stain after HCIO4 treatment. Stain- ing is as intense as before extraction....
The James M. DuPont Meteorite Collection - by treatment with boiling hydrofluoric acid (HF) for 15 minutes, whereas silicate minerals should be dissolved.- We treated a sample of Orgueil with boiling HF for 15 minutes; 49...
The James M. DuPont Meteorite Collection -3). Garrison et al., used 40 Mev helium ions to obtain formic acid and formal- dehyde from carbon dioxide. Aqueous formic acid yielded formaldehyde and oxalic acid."" Hasselstrom and...
The James M. DuPont Meteorite Collection - are not necessary, which make it the more plausible that these radiation syntheses were responsible for the occurrence of amino acids in the oceans of the primitive earth."...
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