组合聚醚中HCFC-22、CFC-11和HCFC-141b等消耗臭氧层物质的测定顶空 气相色谱-质谱法
组合聚醚中HCFC-22、CFC-11和HCFC-141b等消耗臭氧层物质的测定顶空 气相色谱-质谱法
Determination of ozone-depleting substances including HCFC-22, CFC-11 and HCFC-141b in pre-blended polyether polyols-Headspace/gas chromatography-mass spectrometry
发布日期:2019-10-31
实施日期:2019-10-31