Engineering topics

Geiger, P. J.

Publications and source records attributed to Geiger, P. J..

4 records

NASA NTRS1969

Microdetermination of urea in urine using p-dimethylaminobenzaldehyde /PDAB/

Adaptation of the p-dimethylaminobenzaldehyde method for determining urea concentration in urine is an improved micromechanical method. Accuracy and precision are satisfactory. This method avoids extra steps of deproteinizing or removing normal urinary chromogens.

Geiger, P. J.↗

NASA NTRS1969

Sterile Soil from Antarctica - Organic Analysis

Sterile soil from Antarctica found to contain organic carbon, noting significance for biological exploration of Mars

Bauman, A. J.↗

NASA NTRS1966

Pyrolysis fluorescence. I - Detection and estimation of organic matter

Fluorescence of pyrolyzed pure and natural organic materials

PYROLYSIS↗

NASA NTRS1965

Biological contamination of the planets.

Accidental biological contamination of planets during space exploration, noting different physical and chemical sterilization methods

SPACECRAFT CONTAMINATION↗