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²Î¿¼ÎÄÏ×£¨¹úÄÚÍⲿ·Ö£©
- european chemicals agency (echa). (2022). reach regulation ¨C candidate list of substances of very high concern.
- u.s. environmental protection agency (epa). (2021). chemical data reporting under tsca.
- zhang, y., liu, h., & wang, j. (2020). bismuth-based catalysts in polyurethane applications: a review. journal of applied polymer science, 137(15), 48673.
- li, x., chen, f., & zhao, g. (2019). development of non-toxic catalysts for polyurethane foams. chinese journal of chemical engineering, 27(4), 891¨C898.
- iso 18188:2003. (2003). soil quality ¨C determination of heavy metal content.
- ministry of ecology and environment of the people¡¯s republic of china. (2021). national catalogue of hazardous chemicals.
- rohs directive 2011/65/eu. (2011). restriction of the use of certain hazardous substances in electrical and electronic equipment.
- wang, l., & sun, q. (2022). green catalysts for sustainable polyurethane production. green chemistry, 24(3), 1123¨C1135.
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