It is also the first ionization method to ionize nonvolatile and thermally labile compounds. It supports Flash RAM capability and other nonvolatile forms of memory. These chemical cues include volatile and nonvolatile substances. In-circuit test systems may also be used to program nonvolatile memory components on the board. Metabolism rapidly generates a large quantity of volatile acid (HCO) and nonvolatile acid. All the other uranium fluorides are nonvolatile solids that are coordination polymers. Molten gallium is, therefore, a very nonvolatile liquid thanks to its strong metallic bonding. The products mainly consist of nonvolatile, resinous compounds. Soft updates require periodic flushing of the metadata to nonvolatile storage. Levels were defined for both particulate and nonvolatile residue (NVR) molecular contaminants. Acids are divided into "volatile acids" and "nonvolatile acids". Fluvalinate is a stable, nonvolatile, viscous, heavy oil (technical) soluble in organic solvents. It is a colourless, nonvolatile liquid. These reversible switches could potentially be employed in nonvolatile memories. HPLC is used for nonvolatile mixtures that would not be suitable for gas chromatography.