GB/T 19493-2004
Active
HJ 668-2013
Active
Industry standards-Environmental protection
HJ 668-2013 Water quality determination of total nitrogen by flow injection-Naphthalene-2,3-dicarboximide spectrophotometry
HJ 668-2013 Water quality determination of total nitrogen by flow injection-Naphthalene-2,3-dicarboximide spectrophotometry
Basic Information
Standard Code:
HJ 668-2013
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:
2013-10-25
Implement Date:
2014-01-01
Pages:
11 pages
Scope
This standard is applicable to the determination of total nitrogen in surface water, groundwater, domestic wastewater, and industrial wastewater.
Development Information
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