Hexavalent chromium Jagoran Zaɓi: Kayan aiki masu ɗaukar nauyi Q-Cr6 Hexavalent Chromium launi mai ɗaukuwa T-CP40 Mai ɗaukar launi mai ɗaukar hoto don Ruwan Sha T-6800 Multi-parameters Portable Colorimeter Kayan aikin Lab Z-T700 Mai Nazartar Matsaloli Masu Mahimmanci Z-D700 Multi-parameter Analyzer TA-60 Mai Binciken Ruwa Mai Layi Mai Haɓakawa TA-98 UV Spectrophotometer Ganuwa
