Industry News & Company Updates

HJ 743-2015 Determination of volatile aromatic hydrocarbons in soil and sediment-Headspace gas chromatography

HJ 735-2015 Determination of Volatile Halogenated Hydrocarbons in Soils and Sediments by Gas Chromatography-Mass Spectrometry

HJ 736-2015 Determination of volatile halogenated hydrocarbons in soil and sediment-Headspace gas chromatography-mass spectrometry

HJ 642-2013 Soil and sediment-Determination of volatile organic compounds-Headspace-gas chromatography-mass spectrometry

HJ 743-2015 Determination of volatile organic compounds in soil and sediment-Headspace gas chromatography

HJ 737-2015 Determination of Beryllium in Soil by Graphite Furnace Atomic Absorption Spectrometry

HJ 737-2015 specifies the graphite furnace atomic absorption…

HJ 780-2015 Determination of Inorganic Elements in Soil by Wavelength Dispersive X-ray Fluorescence Spectrometry

This article interprets the HJ 780-2015 standard, providing …

HJ 783-2016 Pressurized Fluid Extraction: A Guide to Soil Organic Matter Extraction

This article interprets the application of pressurized fluid…

Interpretation of HJ/T 166-2004 Technical Specification for Soil Environmental Monitoring

HJ/T 166-2004 Technical Specification for Soil Environmental…

Interpretation of Soil pH Determination Standard NY/T 1121.2-2006

This article interprets the NY/T 1121.2-2006 standard for so…