GB/T 22047-2008

Active

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

Standard Type

GBT

ICS

83.080.01

CCS

G31

Status

现行

Issue Date

2008-06-18

Implementation

2009-05-01

Responsible Dept

国家标准委

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 2913-1982 Test for whiteness of plastics GB/T 3399-1982 Test method for thermal conductivity of plastics by means of the guarded hot plate GB/T 3403-1982 The designation of aminoplastic moulding compounds GB/T 3960-1983 Test method for friction and wear of plasticsby sliding GB/T 5479-1985 Equivalent terms for plastics GB/T 6595-1986 Test method for fish eye count of polypropyleneresin GB/T 6598-1986 Determination of weight-average molecular weight of polystyrene standards by low angle laser light scattering method GB/T 8325-1987 Determination of pH of aqueous dispersions of polymers and copolymers