HJ/T 70-2001: High-chlorine wastewater - Determination of chemical oxygen demand - Chlorine emendation method

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Scope

This method applies to the determination of chemical oxygen demand (COD)
in high-chlorine wastewater with a chloride ion content of less than 20 000 mg/L.
The detection limit of the method is 30 mg/L. It applies to the determination of
COD in wastewater from oil fields, coastal refineries, oil depots, chlor-alkali
plants, and deep-sea discharge wastewater.

Basic Data

Standard ID	HJ/T 70-2001 (HJ/T70-2001)
Description (Translated English)	High-chlorine wastewater. Determination of chemical oxygen demand. Chlorine emendation method
Sector / Industry	Environmental Protection Industry Standard (Recommended)
Classification of Chinese Standard	Z23
Word Count Estimation	7,757
Date of Issue	2001-09-11
Date of Implementation	2001-12-01
Quoted Standard	GB 11914-1989
Summary	This standard applies to chloride ion content of less than 20000mg/L of high chloride wastewater chemical oxygen demand (COD) determination. The detection limit is 30mg/L. For oil, practicing coastal refineries, oil depots, chlor-alkali plants, wastewater deep emissions of COD determination.