Colorimetric estimation of fluorine in natural waters; thorium-alizarin method improved.
D000880:Anthraquinones; D005459:Fluorides; D005461:Fluorine / Q000032:analysis*; D013910:Thorium; D014867:Water
D000880:Anthraquinones; D014867:Water; D005461:Fluorine; C010078:alizarin; D013910:Thorium; D005459:Fluorides
FLUORINE/determination