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Zinc concentrates. Method for the determination of gallium

Document status: Active

Chrysotile asbestos. Acceptance rules, sampling and preparation of samples

Document status: Withdrawn

Raremetallic concentrates. Spectral methods of the determination of alumina, barium, iron, calcium, silicon, magnum, niobium, tantalum, titanium, zirconium and chromium oxide

Document status: Active

Ammonium nitrate for industrial use. Method determination of ammoniacal nitrogen content (titrimetric) after distillation

Document status: Active

Essential oils of citrus. Determination of CD value by ultraviolet spectrometric analysis

Document status: Active

Dolomite for glass industry. Methods for the determination of dioxide silicium

Document status: Replaced by GOST 23673.4-2020