Drinking medicinal, medicinal-table and natural table mineral water. Methods of determination ammonium ions
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Drinking medicinal, medicinal-table and natural table mineral water. Method for determination of permanganate oxidation
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Drinking medicinal, medicinal-table and natural table mineral water. Method of determination of silver ions
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Drinking medicinal, medicinal-table and natural table mineral water. Method of determination of sulphate ions
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Drinking medicinal, medicinal-table and natural table mineral water. Methods of determination of nitrite-ions
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Metals and alloys. Measurement of shore hardness with method of striker recoil
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