GB/T 19493-2004
Active
HJ 491-2019
Active
Industry standards-Environmental protection
HJ 491-2019 Soil and sediment determination of copper, zinc, lead, nickel, and chromium using flame atomic absorption spectrophotometry
HJ 491-2019 Soil and sediment determination of copper, zinc, lead, nickel, and chromium using flame atomic absorption spectrophotometry
Basic Information
Standard Code:
HJ 491-2019
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:
2019-05-12
Implement Date:
2019-09-01
Pages:
15 pages
Scope
This standard is applicable to the determination of copper, zinc, lead, nickel, and chromium in soil and sediments.
Development Information
Replace the following standards
HJ 491-2009、GB/T 17138-1997、GB/T 17139-1997
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