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valid state
valid state, Total:9 items.
In the international standard classification, valid state involves: Soil quality. Pedology, Farming and forestry, Environmental protection.
Group Standards of the People's Republic of China, valid state
- T/ZNZ 082-2021 Determination of available mercury in soil by atomic fluorescence spectrometry
- T/GDNB 46-2021 Extraction of soil heavy metal bioavailability in paddy soil The diffusive gradients in thin film-inductively coupled plasma optical emission spectrometry
- T/CI 110-2022 Extraction method of effective trivalent arsenic and pentavalent arsenic in site soil by magnetic biochar film diffusion gradient technology (MB-DGT)
Henan Provincial Standard of the People's Republic of China, valid state
- DB41/T 813-2013 Determination of Available Antimony in Soil by Atomic Fluorescence Method
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, valid state
- GB/T 23739-2009 Soil quality.Analysis of available lead and cadmium contents in soils.Atomic absorption spectrometry
Guizhou Provincial Standard of the People's Republic of China, valid state
- DB52/T 1465-2019 Gradient Diffusion Thin Film (DGT) Method for Extracting Effective State of Heavy Metal Cadmium from Soil of Agricultural Products Origin
Professional Standard - Agriculture, valid state
- NY/T 890-2004 Determination of available zinc,manganese,iron,copper in soil-extraction with buffered DTPA solution
Professional Standard - Environmental Protection, valid state
- HJ 804-2016 Soil - Determination of bioavailable form of eight elements – Extraction with buffered DTPA solution/Inductively coupled plasma optical emission spectrometry
National Metrological Technical Specifications of the People's Republic of China, valid state
- JJF 1330-2011 Calibration Specification for Instantaneous Effective Intensity Testers