Non-filtered fresh water [89] | Fe (dissolved and in suspension)(mg/l) | | 3 | After the sample has been appropriatelyprepared, determination by atomic absorption spectrophotometry or by molecular absorption spectrophotometry |
Niet gefiltreerd zoet water [85] | Fe (opgelost en gesuspendeerd)(mg/l) | | 3 | Na passende voorbehandeling van het monster, bepaling door atomaire absorptiespectrometrie of door moleculaire absorptiespectrofotometrie |