ARGON
New specifications prepared at the 53rd JECFA (1999) and published in FNP 52 Add 7 (1999).
SYNONYMS INS No. 938
DEFINITION
Chemical names Argon
C.A.S. number 7440-37-1
Chemical formula Ar
Formula weight 40.0
Assay Not less than 99.0% by volume
DESCRIPTION Colourless and odourless gas
FUNCTIONAL USES Packaging gas
