Rapid determination of trace amounts of phosphate and arsenate in water by spectrophotometric detection of their heteropoly acid--malachite green aggregates following pre-concentration by membrane filtration.
Matsubara
C
C
Yamamoto
Y
Y
Takamura
K
K
D001149:Arsenates / Q000032:analysis*; D001151:Arsenic / Q000032:analysis*; D005374:Filtration; D007202:Indicators and Reagents; D008567:Membranes, Artificial; D010710:Phosphates / Q000032:analysis*; D012394:Rosaniline Dyes; D014881:Water Supply / Q000032:analysis*
D001149:Arsenates; D007202:Indicators and Reagents; D008567:Membranes, Artificial; D010710:Phosphates; D012394:Rosaniline Dyes; C005095:malachite green; D001151:Arsenic