HJ 637-2018: Water quality - Determination of petroleum, animal fats and vegetable oils - Infrared spectrophotometry

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Scope

This standard specifies the infrared spectrophotometric method for the
determination of petroleum, animal fats and vegetable oils in water.
This standard applies to the determination of petroleum, animal fats and
vegetable oils in industrial and domestic sewage.
When the volume of sample is 500 ml, the volume of the extract is 50 ml, the 4
cm quartz cuvette is used, the detection limit of method is 0.06 mg/L, the lower
limit of determination is 0.24 mg/L.

Basic Data

Standard ID	HJ 637-2018 (HJ637-2018)
Description (Translated English)	Water quality - Determination of petroleum, animal fats and vegetable oils - Infrared spectrophotometry
Sector / Industry	Environmental Protection Industry Standard
Classification of Chinese Standard	Z16
Word Count Estimation	11,156
Issuing agency(ies)	Ministry of Ecology and Environment