The amount of water in a volume unit of air
Atmospheric Pressure Chemical Ionization
Attenuated Total Reflection
Energy Dispersive Spectroscopy
ElectroSpray Ionization
Fourier Transform
Gas Chromatography
Inductively Coupled Plasma
Ion Cyclotron Resonance
Laser Ablation
Liquid chromatography
Matrix-Assisted Laser Desorption/Ionizaztion
Mass Spectrometry
The ratio of the actual absolute humidity to the maximum possible absolute humidity at the respective temperature (often expressed in %)
Describes ability to see fine details
Scanning Electron Microscopy
X-Ray Diffraction
X-Ray Fluorescence spectroscopy