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50 mg/ L, ≤ ± 5 %";s:27:"COD minimum detection limit";s:9:"0.1 mg/ L";s:20:"COD measurement time";s:10:"20 minutes";s:17:"COD repeatability";s:10:"≤ ± 5 %";s:41:"Processing sample number per batch";s:0:"";s:44:"Consumables for colorimetric COD measurement";s:30:"Colorimetric tubes and Cuvette";s:33:"COD reactor digestion temperature";s:14:"165 ± 0.5°C";s:26:"COD reactor digestion time";s:6:"10 min";s:33:"COD reactor time setting switches";s:5:"3 pcs";s:26:"Anti-chlorine interference";s:27:"(Cl) < 1000 mg/ L No effect";}" id="spec_COD_a:11:{s:23:"COD_determination_range";s:16:"2_to_10000_mg/_L";s:24:"COD_measurement_accuracy";s:61:"COD_<_50_mg/_L,_≤_±_10_%_ and__ COD_>_50_mg/_L,_≤_±_5_%";s:27:"COD_minimum_detection_limit";s:9:"0.1_mg/_L";s:20:"COD_measurement_time";s:10:"20_minutes";s:17:"COD_repeatability";s:10:"≤_±_5_%";s:41:"Processing_sample_number_per batch";s:0:"";s:44:"Consumables_for_colorimetric_COD_measurement";s:30:"Colorimetric_tubes_and_Cuvette";s:33:"COD_reactor_digestion_temperature";s:14:"165_±__0.5°C";s:26:"COD_reactor_digestion_time";s:6:"10_min";s:33:"COD_reactor_time_setting_switches";s:5:"3_pcs";s:26:"Anti-chlorine_interference";s:27:"(Cl)_<_1000_mg/_L_No_effect";}" class="spec-filter">
50 mg/ L, ≤ ± 5 %";s:27:"COD minimum detection limit";s:9:"0.1 mg/ L";s:20:"COD measurement time";s:10:"20 minutes";s:17:"COD repeatability";s:10:"≤ ± 5 %";s:41:"Processing sample number per batch";s:6:"12 pcs";s:44:"Consumables for colorimetric COD measurement";s:30:"Colorimetric tubes and Cuvette";s:33:"COD reactor digestion temperature";s:14:"165 ± 0.5°C";s:26:"COD reactor digestion time";s:6:"10 min";s:33:"COD reactor time setting switches";s:5:"3 pcs";s:26:"Anti-chlorine interference";s:27:"(Cl) < 1000 mg/ L No effect";}" id="spec_COD_a:11:{s:23:"COD_determination_range";s:15:"5_to_5000_mg/_L";s:24:"COD_measurement_accuracy";s:61:"COD_<_50_mg/_L,_≤_±_10_%_ and__ COD_>_50_mg/_L,_≤_±_5_%";s:27:"COD_minimum_detection_limit";s:9:"0.1_mg/_L";s:20:"COD_measurement_time";s:10:"20_minutes";s:17:"COD_repeatability";s:10:"≤_±_5_%";s:41:"Processing_sample_number_per batch";s:6:"12_pcs";s:44:"Consumables_for_colorimetric_COD_measurement";s:30:"Colorimetric_tubes_and_Cuvette";s:33:"COD_reactor_digestion_temperature";s:14:"165_±__0.5°C";s:26:"COD_reactor_digestion_time";s:6:"10_min";s:33:"COD_reactor_time_setting_switches";s:5:"3_pcs";s:26:"Anti-chlorine_interference";s:27:"(Cl)_<_1000_mg/_L_No_effect";}" class="spec-filter">

















































































































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