BS 3584:1989
Determination of solubility of wool in urea-bisulphite solution
ASTM D1696-95(2019)e1
Standard Test Method for Solubility of Cellulose in Sodium Hydroxide
CEN/TS 17403:2021
UNE 40205:1972
METHOD TO DETERMINE WOOL SOLUBILITY IN UREA-BISULPHITE.
ASTM D1696-95(2011)
Standard Test Method for Solubility of Cellulose in Sodium Hydroxide
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
ASTM D1696-95(2006)
Standard Test Method for Solubility of Cellulose in Sodium Hydroxide
ASTM D1696-95(2000)
Standard Test Method for Solubility of Cellulose in Sodium Hydroxide