GB/T 37196-2018
Plastics—Polyether polyols/polymeric polyols—Determination of aldehydes and ketones
NY/T 3143-2017
DB22/T 1818-2013
DB37/T 1204-2009
DB34/T 1997-2013
CEN/TS 17403:2021
DIN CEN/TS 17403
Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7.5 at 100 ¿C; German version CEN/TS
BS PD CEN/TS 17403:2021
Fertilizers. Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C