HJ 1058-2019
Determination of ozone-depleting substances including CFC-12, HCFC-22, CFC011 and HCFC-141b in rigid polyurethane foam and pre-blended polyether polyols-Portable headspace/gas chromatography-mass spectrometry (English Version)
- Standard No.
- HJ 1058-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Professional Standard - Environmental Protection
- Latest
- HJ 1058-2019
- Scope
- This standard specifies the determination of difluorodichloromethane (CFC-12), difluorochloromethane (HCFC-22), monofluorotrichloromethane (CFC-11) and monofluorochloromethane (CFC-11) in rigid polyurethane foam and combined polyethers. Portable headspace/gas chromatography-mass spectrometry of ozone-depleting substances such as ethyl chloride (HCFC-141b). This standard is applicable to the qualitative detection of CFC-12, HCFC-22, CFC-11 and HCFC-141b in rigid polyurethane foam and combined polyethers. When rigid polyurethane foam is used as the detection object, under the conditions specified in this standard, the method detection limits of CFC-12, HCFC-22, CFC-11 and HCFC-141b are 2 µg, 2 µg, 2 µg and HCFC-141b respectively. 0.6 µg. When combined polyethers are used as the detection object, under the conditions specified in this standard, the method detection limits of CFC-12, HCFC-22, CFC-11 and HCFC-141b are 3 µg, 2 µg, 2 µg and 0.9 respectively. µg.
HJ 1058-2019 history
- 2019 HJ 1058-2019 Determination of ozone-depleting substances including CFC-12, HCFC-22, CFC011 and HCFC-141b in rigid polyurethane foam and pre-blended polyether polyols-Portable headspace/gas chromatography-mass spectrometry
