GOST 15820-1982 Polystyrole and copolymers of styrole. Gas chromatographic method for determination of resictual monomers and non-polymerizing impurities
GOST 9293-1974 Gaseous and liquid nitrogen. Specifications
ISO 2561:1974 Plastics; Determination of residual styrene monomer in polystyrene by gas chromatography
GOST 15820-1982 history
1982GOST 15820-1982 Polystyrole and copolymers of styrole. Gas chromatographic method for determination of resictual monomers and non-polymerizing impurities