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Information × Registration Number 0203U006129, 0102U001511 , R & D reports Title Research of possibilities to prolongate the validity of international standard simples and researching the methods of reproduction of its metrological concentration characteristics popup.stage_title Head Kalenchtnko T.Y., Registration Date 12-03-2003 Organization IRON & STEEL INSTITUTE NATIONAL ACADEMI OF SCIENCE OF UKRAINE popup.description2 The investigation og stability the concentration characteristics of the chemical content of the state standard specimens with past term of validlty and metrologic estimation of the active experiment results is fulfilled. Taking into account the high cost of the to day delivered standard spesimens, it is expediently to prolongate the stability investigation of the state standard specimens of ferroalloyes, slags, colored metals, ferrocontaining row materials, etc Product Description popup.authors popup.nrat_date 2020-04-02 Close