Ngụkọta Nitrogen Ntuziaka nhọrọ: Akụrụngwa enwere ike ibugharị T-6800 Multi-parameters Portable Colorimeter Ngwa ụlọ nyocha Z-T700 nwere ọgụgụ isi Multi-parameters Analyzer Z-D700 Multi-parameter Analyzer Z-T500 nwere ọgụgụ isi Multi-parameters Analyzer Z-D500 Multi-parameter Analyzer TA-60 nwere ọgụgụ isi Multi-ọrụ Water Analyzer TA-98 UV Spectrophotometer a na-ahụ anya
