Verification of Hexavalent Chromium Determination Method by Spectrophotometric UV-Vis Double Beam

The metal can be isolated by a reduction process and is called chromium (chromium), in Latin chroma means color, because some compounds of this metal have a certain color. The oxidation state of chromium metal is 0, II, III, IV and VI. Chromium(II) is very unstable, chromium(III) and chromium(VI) are stable in water, Cr(VI) is a strong oxidizing agent. The Cr(VI) species are HCrO4-, CrO42- and Cr2O72-. -------------------------------------------------- -------------------------------------------------- ----------------------- DIII Chemical Analysis Study Program Integrated Campus of Indonesian Islamic University UII MIPA Faculty Building 2nd floor Jalan Kaliurang Km 14.5 Sleman, Yogyakarta 55584 (0274) 895 920 ext. 3055; 0815 7947 004; 0856 4320 9037 Social Media Accounts: Facebook: /analiskimia.uii Instagram: @analiskimia_uii #Chrome #Hexavalent #Spectro #AnalisisKimiaUII