ANALYSIS OF CHROMIUM (Cr) AND IRON (Fe) IN SEVERAL WELL WATER IN KAMPUNG BATIK KAUMAN SURAKARTA USING ATOMIC ABSORPTION SPECTROPHOTOMETRY (AAS) Saidah Saidah, Fakhry Gripaldi, Burhanudin Gasim Soka, Rahmawaty Hasan, Heri Wijaya Page : 57-63 DOI : 10.62668/significant.v4i02.2255 Abstract View : 4 FULL TEXT PDF downloads: 6 FULL TEXT PDF