Projekti

Sulfidni koncentrati bakra, olova i cinka – Određivanje zlata i srebra – Metoda kupelacije sa gravimetrijskom i plamenom atomsko-apsorpcionom spektrometrijskom analizom

90.93   Odluka o potvrđivanju standarda

Sulfidni koncentrati bakra – Određivanje sadržaja bakra – Elektrogravimetrijska metoda

90.20   Početak postupka preispitivanja standarda

Copper, lead, zinc and nickel concentrates — Determination of mass loss of bulk material on drying

90.92   Odluka o izmeni ili reviziji standarda

Copper sulfide concentrates — Determination of copper content — Titrimetric methods

90.93   Odluka o potvrđivanju standarda

Copper, lead and zinc sulfide concentrates — Determination of gold and silver — Fire assay gravimetric and flame atomic absorption spectrometric method

90.93   Odluka o potvrđivanju standarda

Copper sulfide concentrates — Determination of copper — Electrogravimetric method

90.20   Početak postupka preispitivanja standarda

Lead sulfide concentrates — Determination of lead content — Back titration of EDTA after precipitation of lead sulfate

90.93   Odluka o potvrđivanju standarda

Copper, lead, zinc and nickel concentrates — Guidelines for the inspection of mechanical sampling systems

90.93   Odluka o potvrđivanju standarda

Copper, lead, zinc and nickel concentrates — Sampling of slurries

90.93   Odluka o potvrđivanju standarda

Zinc sulfide concentrates — Determination of zinc — Ion-exchange/EDTA titrimetric method

90.92   Odluka o izmeni ili reviziji standarda

Lead sulfide concentrates — Determination of silver and gold contents — Fire assay and flame atomic absorption spectrometric method using scorification or cupellation

90.93   Odluka o potvrđivanju standarda

Copper, lead and zinc sulfide concentrates — Determination of transportable moisture limits — Flow-table method

60.60   Standard objavljen

Copper, lead, zinc and nickel concentrates — Sampling procedures for determination of metal and moisture content

60.60   Standard objavljen

Copper, lead, zinc and nickel concentrates — Experimental methods for checking the precision of sampling

60.60   Standard objavljen

Copper, lead and zinc ores and concentrates — Precision and bias of mass measurement techniques

90.93   Odluka o potvrđivanju standarda

Zinc sulfide concentrates — Determination of zinc — Solvent extraction and EDTA titrimetric method

90.20   Početak postupka preispitivanja standarda

Copper, lead, zinc and nickel concentrates — Experimental methods for checking the bias of sampling

90.20   Početak postupka preispitivanja standarda

Copper, lead, zinc and nickel sulfide concentrates — Determination of mass of contained metal in a lot

90.93   Odluka o potvrđivanju standarda