HJ 637-2012
Water quality.Determination of petroleum oils and animal and vegetable oils.Infrared spectrophotometry (English Version)
- Standard No.
- HJ 637-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- Professional Standard - Environmental Protection
- Status
- 2019-01
- Replace By
- HJ 637-2018
- Latest
- HJ 637-2018
- Scope
- Warning: Carbon tetrachloride is highly toxic and all operations should be performed in a fume hood. This standard specifies the infrared spectrophotometric method for the determination of petroleum, animal and vegetable oils in water. This standard is applicable to the determination of petroleum, animal and vegetable oils in surface water, groundwater, industrial wastewater and domestic sewage. When the sample volume is 1 000 ml, the extraction liquid volume is 25 ml, and a 4 cm cuvette is used, the detection limit is 0.01 mg/L and the lower determination limit is 0.04 mg/L; when the sample volume is 500 ml, the extraction liquid volume is 50 ml, when using a 4 cm cuvette, the detection limit is 0.04 mg/L, and the lower limit of determination is 0.16 mg/L.
HJ 637-2012 Referenced Document
- HJ/T 164 Technical specifications for environmental monitoring of groundwater
- HJ/T 91 Technical Specifications Requirements for Monitoring of Surface Water and Waste Water
HJ 637-2012 history
- 2018 HJ 637-2018 Water Quality Determination of Petroleum and Animal and Vegetable Oils Infrared Spectrophotometry
- 2012 HJ 637-2012 Water quality.Determination of petroleum oils and animal and vegetable oils.Infrared spectrophotometry
