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[Balance of iron and copper in cadets of military school during physical exercise and next-day rest at different times of the year].

[Balance of iron and copper in cadets of military school during physical exercise and next-day rest at different times of the year].

Voenno-meditsinskii zhurnal (2013-07-03)

I P Zaĭtseva, V V Nasolodin, R A Beliakov, N P Arshinov, O N Zaĭtsev, S I Meshcheriakov

ABSTRACT

According to examination, with the help of emission spectrum analysis method, of 24 cadets-athletes of different specialization it was determined that during physical exercise in summer and in winter loss of ferrum and copper with excrements exceeded the intake if these microelements with food. The next day rise of impaction of microelements and decrease of excretion. But despite the positive balance of ferrum and copper, spend of these microelements during physical exercise wasn't compensated for the day of rest. That is why there is a possibility of microelement deficit.

MATERIALS

Product Number

Brand

Product Description

Sigma-Aldrich

Iron, powder, −325 mesh, 97%

Sigma-Aldrich

Copper, wire, diam. 1.0 mm, ≥99.9%

Sigma-Aldrich

Copper, wire, diam. 2.0 mm, 99.999% trace metals basis

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Copper, wire, diam. 0.64 mm, 99.995% trace metals basis

Sigma-Aldrich

Copper, wire, diam. 0.25 mm, 99.999% trace metals basis

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Copper, foil, thickness 0.5 mm, 99.98% trace metals basis

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Copper, turnings, purum p.a., ≥99.0%

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Iron, puriss. p.a., carbonyl-Iron powder, low in magnesium and manganese compounds, ≥99.5% (RT)

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Iron, chips, 99.98% trace metals basis

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Iron, foil, thickness 0.1 mm, ≥99.9% trace metals basis

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Copper, foil, ≥99.8% (complexometric)

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Copper, foil, thickness 1.0 mm, 99.999% trace metals basis

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Copper, powder, <75 μm, 99%

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Copper, beads, 2-8 mm, 99.9995% trace metals basis

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Copper, beads, 2-8 mm, ≥99.99% trace metals basis

Iron, IRMM^®, certified reference material, 0.5 mm wire

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Copper, foil, thickness 0.025 mm, 99.98% trace metals basis

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Copper, ACS reagent, granular, 10-40 mesh, ≥99.90%

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Copper (S, P), BCR^®, certified reference material, chips

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Copper, powder, 99.99% trace metals basis

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Copper, powder (dendritic), <45 μm, 99.7% trace metals basis

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Copper, powder (spheroidal), 10-25 μm, 98%

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