HJ550-2015 Active Industry standards-Environmental protection

HJ550-2015 Water quality determination of cobalt using 5-chloro-2-(pyridylazo)-1,3-diaminobenzene spectrophotometry

Publish Date: 2015-04-03 Implement Date: 2015-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: HJ550-2015

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Environmental protection

ICS Name: Environmental protection, health, and safety (vocabulary)

Publish Date: 2015-04-03

Implement Date: 2015-07-01

Scope

This standard is applicable to the determination of cobalt in surface water, industrial wastewater, and domestic sewage.

Development Information

Replace the following standards

HJ 550-2009 Water quality determination of total cobalt using the spectrophotometric method of 5-chloro-2-(pyridine-1-diazenyl)-1,3-diaminobenzene (temporary)

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