HJ 491-2009
Soil quality.Determination of total chromium.Flame atomic absorption spectrometry (English Version)
- Standard No.
- HJ 491-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Environmental Protection
- Status
- 2019-09
- Replace By
- HJ 491-2019
- Latest
- HJ 491-2019
- Replace
- GB/T 17137-1997
- Scope
- This standard specifies the flame atomic absorption spectrophotometric method for the determination of total chromium in soil. This standard applies to the determination of total chromium in soil. When 0.5g of sample is weighed and the volume is adjusted to 50ml, the detection limit of this method is 5mg/kg, and the lower limit of determination is 20.0mg/kg.
HJ 491-2009 history
- 2019 HJ 491-2019 Determination of copper, zinc, lead, nickel, chromium in soils and sediments by flame atomic absorption spectrophotometry
- 2009 HJ 491-2009 Soil quality.Determination of total chromium.Flame atomic absorption spectrometry
HJ 491-2009 Soil quality.Determination of total chromium.Flame atomic absorption spectrometry has been changed from GB/T 17137-1997 Soil quality--Determination of total chromium--Flame atomic absorption spectrophotometry.
