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sklademVydáno: 1981
ISO 6835:1981
ISO 6835:1981-Surface active agents — Washing powders — Determination of total boron content — Titrimetric method
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| Označení normy: | ISO 6835:1981 |
| Počet stran: | 3 |
| Vydání: | 1 |
| Vydáno: | 1981 |
DESCRIPTION
ISO 6835:1981
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.