NASA NTRS · 19730035019
Amino acid analyses of Apollo 14 samples.
Abstract
Detection limits were between 300 pg and 1 ng for different amino acids, in an analysis by gas-liquid chromatography of water extracts from Apollo 14 lunar fines in which amino acids were converted to their N-trifluoro-acetyl-n-butyl esters. Initial analyses of water and HCl extracts of sample 14240 and 14298 samples showed no amino acids above background levels.
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Gehrke, C. W., Zumwalt, R. W., Kuo, K., Aue, W. A., Stalling, D. L., Kvenvolden, K. A., Ponnamperuma, C.. 1972-01-01. Amino acid analyses of Apollo 14 samples.. https://ntrs.nasa.gov/citations/19730035019
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