Th. Majewski

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Optimum conditions for the direct reversed-phase LC determination of fluoride based on the ternary M-(F-)-(5-Br-PADAP) complexes [M = ZrIV or HfIV and 5-Br-PADAP = 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol] were evaluated. Chromatographic separation was performed with C18 end-capped column with an eluent consisting of acetonitrile-water (85 + 15 v/v)(More)
A thermal method of caesium determination is reported. The method is based on precipitation of Cs[Bi(SCN)(4)], thermal decomposition of this compound at 500 degrees , absorption of the evolved SO(2) in Na(2)HgCl(4) solution, and finally titration of the acid formed. The method can be used to determine caesium in the presence of potassium, ammonium and(More)
The dynamics of changes in the level of lactose, citric acid and pH of milk from the clinical form of mastitis was studied. It was found that in the milk from the ill quarters the level of lactose decreased to 1.33% (77%) and that of citric acid to 0.094% (72%). Therapy of the udder caused that the level of the examined milk components returned to normal(More)
Studies were carried out on the content of micro and macroelements in the fodder and cattle blood serums. Haematocrit and haemoglobulin were estimated in full blood. The results underwent statistical analysis and arithmetical means, standard deviation, essential differences and correlations were calculated among the studied features. There was a low content(More)
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