apc138 slot

APC138 Total Nitrogen MR 1 – 16 mg/L TN b DOC312. slot 123 terbaru 53. liga slot 178 94334 Principle Inorganically and organically bonded nitrogen is oxidized to nitrate by digestion with peroxodisulphate The nitrate ions react with 2 6-dimethylphenol in a solution of sulphuric and phosphoric acid to form a nitrophenol Range of Application Water, waste water Interferences