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- W2392585536 abstract "[Objective] The aim was to realize fast and accurate assay of chemical oxygen demand in high chlorine(Cl) water sample.[Method] The methods of standard reflux and microwave digestion were adopted respectively to assay the content of chemical oxygen demand in high Cl-water sample,and the measured results of two methods were compared.[Result] When the COD theoretical values of International Standard were(102±4),(125±4) and(138±4)mg/L,the content of chemical oxygen demand in high Cl-water sample assayed with the standard reflux method were 100.0,125.2 and 136.4 mg/L resp.;the content of chemical oxygen demand assayed with microwave digestion methods were 103.6,126.8 and 139.0 mg/L resp.COD theoretical values assayed with 2 methods(P0.05) had no evident difference and were basically identical in precision.[Conclusion] In assaying chemical oxygen demand in high chlorine waste water,compared with standard reflux method,the microwave digestion method had advantages of short time,easy operation and low cost,and no significant discrepancy in precision(P0.05)." @default.
- W2392585536 created "2016-06-24" @default.
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- W2392585536 date "2008-01-01" @default.
- W2392585536 modified "2023-09-23" @default.
- W2392585536 title "Study on Contrast of Chemical Oxygen Demand in Assay of High Chlorine Water Sample with Methods of Standard Reflux and Microwave Digestion" @default.
- W2392585536 hasPublicationYear "2008" @default.
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