GB/T 22047-2008

Plastics - Determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved

土壤中塑料材料最终需氧生物分解能力的测定 采用测定密闭呼吸计中需氧量或测定释放的二氧化碳的方法