[A diffusion cell for the isolation of hydrogen fluoride from the sample analysed in the determination of fluorine in water].
D004058:Diffusion; D005459:Fluorides / Q000302:isolation & purification; D005461:Fluorine / Q000032:analysis*; D008722:Methods; D014881:Water Supply / Q000032:analysis*
D005461:Fluorine; D005459:Fluorides
Diffuzionnaia iacheĭka dlia vydeleniia ftoristogo vodoroda iz analiziruemoĭ proby pri opredelenii ftora v vode