GB/T 30293-2013 Polyhydroxyalkanoates(PHA)by biomanufacturing

GB/T 1033.3-2010 Plastics—Methods for determining the density of non-cellular plastics—Part 3:Gas pyknometer method GB/T 1632.1-2008 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 1:General principles GB/T 3682-2000 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics GB/T 8885-2008 Edible corn starch GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods GB/T 14190-2008 Testing methods of fiber grade polyester chip GB/T 19276.1-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium—Method by measuring the oxygen demand in a closed respirometer GB/T 19276.2-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium—Method by analysis of evolved carbon dioxide GB/T 19277.1-2011 Determination of the ultimate aerobic biodegradability of plastic materials under conctrolled composting conditions—Method by analysis of evolved cabon dioxide—Part 1:General method GB/T 19277.2-2013 Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions—Method by analysis of evolved carbon dioxide—Part 2:Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test GB/T 19466.3-2004 Plastics—Differential scanning calorimetry(DSC)—Part 3:Determination of temperature and enthalpy of melting and crystallization SN/T 3003-2011 GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 20197-2006 Define, classify, marking and degradability requirement of degradable plastic