SN/T 2810-2011 Determination of diphenyl sulfone and 4,4'-dichlorodiphenyl sulfone in polymer materials for export food contact materials by high performance liquid chromatography (English Version)
2011SN/T 2810-2011 Determination of diphenyl sulfone and 4,4'-dichlorodiphenyl sulfone in polymer materials for export food contact materials by high performance liquid chromatography