This standard specifies the determination method for the total phosphate content of concentrated natural rubber latex. This standard applies to natural rubber latex derived from Hevea brasiliensis, not necessarily to natural rubber latex from other sources.
GB/T 39544-2020 Referenced Document
GB/T 12808 Laboratory glass instrument single marked line pipette
GB/T 8298 Latex, rubber.Determination of total solids content
GB/T 39544-2020 history
2020GB/T 39544-2020 Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method