Published
From an aqueous aolution of a sample the phosphates are removed by passing the solution over an ion-exchange resin. Then a boric acid mannitol complex is formed and titrated.
PUBLISHED
ISO 6835:1981
90.93
Standard confirmed
Nov 1, 2024
Surface active agents — Washing powders — Determination of total boron content — Titrimetric method
90.93 Standard confirmed