BfR recommendation XII不饱和树脂的VOM怎么测试 Compare 27th Communication on the testing of plastics (determination of volatile organic components in commodities made from unsaturated polyester resins), Bundesgesundheitsblatt 16 (1973) 332, and also the 15th Communication on the testing of plastics, Bundesgesundheitsblatt 13 (1970) 203. 有sop吗 大佬们