Search academic texts

Information × Registration Number 0307U003356, 0106U003364 , R & D reports Title Development and manufacture of national and of branch standard samples popup.stage_title Розробка та виготовлення державних та галузевих зразків Head Gapotchenko N.P., Registration Date 01-03-2007 Organization Ukrainian State Researsh Institute for Carbochemistry popup.description2 According to the purpose of the work a state standard sample (DSZU) of coke was prepared blats furnace for indices: ash sulphur grey, weight percentage of phosphorus. In the course of work documentation was prepared for the extension of the period of validity of standard sample of coke composition to DSZU 083.3-96 to obtain a certificate of approval DSZU in accordance with the requirements of GOST . The "Requirement specification for development of state standard sample of composition of coke" was written with the certified characteristics ash; weight percentage total sulphur; weight percentage of phosphorus taking into account the requirements of existing rules and standards in metrology of Ukraine. By a tester investigations were carried out by the test centre "KOPR" in Ukhins on determination of uniformity of SZ coke material to GOST 8.531-2002. A industry standard sample (GSZU) of BTX solution composition was prepared. Research on cleaning was carried out the initial products, necessary for preparation a standart sample of the composition benzol + toluene + xylem (BTX). A state standard sample was prepared of composition of ammonium sulfate with indices: weight percentage of nitrogen, weight percentage of free sulphuric acid, weight percentage of substances insoluble in water. Product Description popup.authors popup.nrat_date 2020-04-02 Close