Standard No.:	HJ 506-2009
Chinese Name:	水质 溶解氧的测定 电化学探头法
English Name:	Water quality-Determination of dissolved oxygen-Electrochemical probe method
Professional Classification:	HJ Professional Standard - Environment
Issued by:
Issued on:	2009-10-20
Implemented on:	2009-12-01
Status:	VALID
Replace:	GB11913-89
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	225 (USD)
Delivery:	via email in 1-3 business day

This Standard specifies an electrochemical method for the determination of dissolved oxygen in water.
This Standard is applicable to the determination of dissolved oxygen in surface water, groundwater, domestic sewage, industrial wastewater and saline water.
The method of this Standard measures oxygen in water corresponding to 0% to 100% saturation. However, it also permits measurement of values higher than 100% (20mg/L), i.e. supersaturation.

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