METHOD TO DETERMINE THE CONTENT OF HARD METALS IN WHOLE BLOOD

METHOD TO DETERMINE THE CONTENT OF HARD METALS IN WHOLE BLOOD

medicine. SUBSTANCE: the tested sample is treated with an acid followed by its ashing, the ash obtained is treated with a concentrated mineral acid followed by evaporation up to the state of a moist salt, then a background solution is conducted and the content of metals is determined by the instrume...

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Hauptverfasser: STENNO E.V, PLAKHOVA L.V, ZAJTSEVA N.V, ULANOVA T.S, SUETINA G.N
Format: Patent
Sprache:eng ; rus
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator STENNO E.V
PLAKHOVA L.V
ZAJTSEVA N.V
ULANOVA T.S
SUETINA G.N
description medicine. SUBSTANCE: the tested sample is treated with an acid followed by its ashing, the ash obtained is treated with a concentrated mineral acid followed by evaporation up to the state of a moist salt, then a background solution is conducted and the content of metals is determined by the instrumental method. As an acid to treat the sample tested and as a background solution one should use 0.5-5.0% aqueous solution of nitric acid at the sample: acid weight ratio being 1:1. Moreover, before ashing the sample should be dried in two stages at 110 C and 250 C, correspondingly; ashing is conducted at 430 C. As a concentrated mineral acid to treat the obtained ash it is necessary to use a concentrated nitric acid and as an instrumental method one should use an atom-absorptive spectrophotometry. EFFECT: higher accuracy of determination, broadened spectrum of detected components within 1-6 samples at their mutual availability (manganese, lead, nickel, zinc, copper, chromium) and decreased volume of biomaterial necessary for an assay. 1 cl, 3 tbl
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title METHOD TO DETERMINE THE CONTENT OF HARD METALS IN WHOLE BLOOD
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