WebGB 11903-89 English Version - GB 11903-89 Water quality - Determination of colority (English Version): GB 11903-89, GB/T 11903-89, GBT 11903-89, GB11903-89, GB … Webmethod (Chinese National Standard: GB 11914-89). Chro- ma was determined by diluted multiple method (Chinese National Standard: GB 11903-89). Total organic carbon (Chinese National Standard: TOC) and total inorganic carbon (TIC) were measured by OI Analytical 1030 C Aurora Combustion Total Organic Carbon Analyzer ac-

Reduction of COD in TNT red water through adsorption on macroporous ...

WebCN109110998A CN202411106665.5A CN202411106665A CN109110998A CN 109110998 A CN109110998 A CN 109110998A CN 202411106665 A CN202411106665 A CN 202411106665A CN 109110998 A CN109110998 A CN 109110998A Authority CN China Prior art keywords water ozone level coloration decolorization Prior art date 2024-09-21 Legal … WebJan 15, 2015 · COD was determined by the potassium dichromate method (GB11914-89) employing mercuric sulfate to remove chloride interference. The pH was measured with a 25PHS-3E pH meter, while the conductivity was measured with a METTLER TOLEDO Seven Easy S30 K conductivity meter. nacha top 50 originators 2019

(PDF) Red Mud-Based Polyaluminum Ferric Chloride Flocculant ...

WebTotal phosphorus includes dissolved, particulate, organic and inorganic phosphorus. This standard applies to surface water, sewage, and industrial wastewater. Take 25 mL … Webto the standard method, water quality-determination of colority (GB 11903-89). The conductivity was measured with a METTLER TOLEDO Seven Easy S30K conductivity meter. Chlorine species were . Int. J. Electrochem. Sci., Vol. 10, 2015 5730 WebGB 11903-89 English Version - GB 11903-89 Water quality - Determination of colority (English Version): GB 11903-89, GB/T 11903-89, GBT 11903-89, GB11903-89, GB … nacha top 50 originators 2021