LDR 00779naa#a2200217#i#450# 001 EN\\bibl\44195 005 20220127073047.4 011 ## _a1812-9498 100 ## _a20210524b2021####ek#y0engy0150####ca 102 ## _aRU 200 1# _aNEW SPECTROPHOTOMETRIC METHOD FOR DETERMINING TITANIUM(IV) IN NATURAL OBJECTS _eJournal article 210 1# _aAstrakhan _cAstrakhan State Technical University _d2021 215 ## _a7 с. 608 ## _aJournal article _2local 675 ## _aХимия. Кристаллография. Минералогия. Минераловедение. 54 _z 700 #1 _aRagimova _gAdilya Jeyhun 700 #1 _aMardanova _gVusala Ismayil 700 #1 _aMaharramov _gAbel Maharram 700 #1 _aNagiyev _gKhalil Jamal 700 #1 _aChyragov _gFamil Musa 856 4# _avestnik.astu.org _u