[Determination of microamounts of calcium, magnesium and phosphorus in water samples and biomedia by atomic absorption spectrophotometry].
D002118:Calcium / Q000032:analysis*; D008274:Magnesium / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D010758:Phosphorus / Q000032:analysis*; D013053:Spectrophotometry
D010758:Phosphorus; D008274:Magnesium; D002118:Calcium
Opredelenie microkolichestv  kal'tsiia, magniia i fosfora v vodnykh probakh i biosredakh metodom atomno-absorbtsionnoĭ spektrofotometrii.