Combination of gas chromatography and chemical ionization mass spectrometry

Chemical Ionization Mass Spectrometry. I. General Introduction

1966 • 716 citations

The determination of ammonia in whole blood by a direct colorimetric method

1967 • 597 citations

Cross Sections for Ionization by Electrons

1957 • 219 citations

Molecular electron ionization cross sections at 70 ev

1969 • 162 citations

Determination of blood ammonia by the spectrophotometric method

1966 • 72 citations

Principles of Self-Modulating Derivative Optical Spectroscopy

1964 • 69 citations

Rapid Determination of Plasma Ammonia by an Ion-Exchange Technic

1964 • 59 citations

Automatic Recording of Derivative Ultraviolet Spectra. Application in Steroid Structure Determination

1960 • 55 citations

The Derivative Spectrometer

1970 • 48 citations

The enzymatic determination of ammonia in blood and tissues

1964 • 38 citations

ION–MOLECULE REACTIONS STUDIED BY TIME-OF-FLIGHT MASS SPECTROMETRY

1964 • 37 citations

An enzymatic fluorometric method for ammonia determination

1967 • 32 citations

The determimination of blood ammomia

1966 • 16 citations

A simple and rapid method for the determination of ammonia in blood

1963 • 14 citations

PLASMA AMMONIA DETERMINATION BY ION EXCHANGE.

1964 • 10 citations

The metabolism of the volatile amines. I. The ammonia content of blood.

1961 • 9 citations

Coulometric titration of blood ammonia

1967 • 8 citations

Ammonia determination in a trichloroacetic acid blood filtrate after microdiffusion with the aid of the rubazonic acid reaction

1965 • 8 citations

Improvement of Spectral Baseline Stability for a Time-of-Flight Mass Spectrometer Operated at Elevated Pressures

1969 • 4 citations