GB/T 33616-2017 Translated English of Chinese Standard (GBT 33616-2017, GB/T33616-2017, GBT33616-2017): Textiles - Evaluation for biodegradability of nonwovens - Method by analysis of evolved carbon dioxide
https://www.chinesestandard.net, 15.09.2017 - 11 Seiten
This standard specifies the determination and evaluation of the biodegradation of nonwovens by measuring the evolved carbon dioxide. This standard applies to nonwovens. Fiber, yarn, other types of textiles and their products may make reference to this standard.
accurate to 0.1 ADD the level Atic Ba(OH)2 solution Beaker biodegradability of nonwovens biodegradation effect Biodegradation evolved CO2 blank comparison group Blast pump Calculation of biodegradability carbon sampling amount CO2 collection device concentration is 0.05 conical flask produces constant temperature oscillator Electronic balance Evaluation of biodegradability evolved carbon dioxide evolved CO2 collection flask produces turbidity high pressure steam Humidity conditioning Hydrochloric acid inorganic carbon evolved inorganic carbon sampling ith inorganic carbon LB liquid medium level III water mass fraction Method by analysis microbiological milligrams mg mL/min mol/L organic carbon analyzer pressure steam sterilization r/min for 24 reagents sample cup sample mass sample test group Scale pipette soil bacteria suspension Soil sampling solution The concentration specified in GB/T standard atmosphere steam sterilization pot Sterile operating bench sterilization at 121 subject to vibration temperature control accuracy temperature oscillator 4.2.6 Textile Industry Association titration total organic carbon vibration culture volume reach