HETARYLFORMAZANES CHELATE COMPLEXES POSSESSING POSITIVE AND NEGATIVE THERMOCHROMISM von RODNENKO LYUDMILA V,SU, BEDNYAGINA NATALYA P,SU, LIPUNOVA GALINA N,SU

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1-(2-HYDROHY-5-NITROPHENYL)-3-ETHYL-5-(BENZOXAZOLYL-2)FORMAZANE AS SELECTIVE AGENT IN SPECTROPHOTOMETRIC ANALYSIS AND CONCENTRATION OF LEAD von POLYAKOVA IRINA N,SU, LIPUNOVA GALINA N,SU, KESSENIKH ALEKSANDR V,SU, KRIVONOGOVA TATYANA I,SU, OSTROVSKAYA VERA M,SU, SHMELEV LEONID V,SU, RUSINOVA LARISA I,SU

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METHOD OF DETERMINATION OF YTTRIUM IN MATERIALS CONTAINING ZIRCONIUM von MARINA NATALYA V,SU, LIPUNOVA GALINA N,SU, KHOLEVINSKAYA LILIYA V,SU, POLEZHAEV YURIJ M,SU

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METHOD OF PHOTOMETRIC DETERMINATION OF NICKEL von DATSUN LYUDMILA B,SU, DUBININA LYUDMILA F,SU, RODNENKO LYUDMILA V,SU, LIPUNOVA GALINA N,SU

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METHOD OF PHOTOMETRIC DETERMINATION OF NICKEL von DATSUN LYUDMILA B,SU, DUBININA LYUDMILA F,SU, RODNENKO LYUDMILA V,SU, LIPUNOVA GALINA N,SU

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1-(2'-OXY-5'-NITROPHENYL)-3-ISOPROPYL-5-(1''-BENZYLBENZINIDAZOLYL-2")FORMAZAN AS SELECTIVE REAGENT FOR SPECTROPHOTOMETRIC IDENTIFICATION OF CADMIUM,ZINC,COPPER,MERCURY von LIPUNOVA GALINA N,SU, KRIVONOGOVA TATYANA I,SU, DARIENKO EVGENIJ P,SU, RUSINOVA LARISA I,SU, GARNOVSKIJ ALEKSANDR D,SU

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METHYLBENZTHIAZOLYLAZOKETOXIME AS SELECTIVE ANALYTIC REAGENT FOR COBALT IONS IN BIOLOGICAL OBJECT AND METHOD OF PHOTOMETRIC DETERMINATION OF COBALT IN BIOLOGICAL OBJECTS von PONIZOVSKAYA EVGENIYA V,SU, MEDVEDEVA LARISA I,SU, DATSUN LYUDMILA B,SU, DUBININA LYUDMILA F,SU, LIPUNOVA GALINA N,SU

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