DB32/T 4404-2022 Soil survey regulations for selenium-rich soil

GB 2762-2005 Maximum levels of contaminants in foods GB 2762-2012 National Standards for Food Safety: Limitations of Contaminants in Foods GB 2762-2017 National Standards for Food Safety: Limitations of Contaminants in Foods GB 2762-2022 National Standards for Food Safety: Limitations of Contaminants in Foods GB/T 5009.11-2003 Determination of total arsenic and abio-arsenic in foods GB 5009.11-2014 The National Standards for Food Safety: Determination of Total Arsenic and Inorganic Arsenic in Foods GB 5009.11-2024 National Food Safety Standards: Determination of Total and Inorganic Arsenic in Foods GB/T 5009.12-2003 Determination of lead in foods GB 5009.12-2010 National food safety standard Determination of lead in foods GB 5009.12-2017 The National Standards for Food Safety: Determination of Lead in Foods GB 5009.12-2023 The National Standards for Food Safety: Determination of Lead in Foods GB/T 5009.13-2003 Determination of copper in foods GB 5009.13-2017 National standard for food safety: Determination of copper in food GB/T 5009.14-2003 Determination of zinc in foods GB 5009.14-2017 The National Standard for Food Safety: Determination of Zinc in Foods GB/T 5009.15-2003 Determination of cadmium in foods GB 5009.15-2014 The National Standard for Food Safety: Determination of Cadmium in Foods GB 5009.15-2023 National Standards for Food Safety: Determination of Cadmium in Foods GB/T 5009.17-2003 Determination of total mercury and organic-mercury in foods GB 5009.17-2014 National Food Safety Standards: Determination of Total Mercury and Organic Mercury in Foods GB 5009.17-2021 National Standards for Food Safety: Determination of Total Mercury and Organic Mercury in Foods GB/T 5009.93-2003 Determination of selenium in foods GB 5009.93-2010 National food safety standard Determination of selenium in foods GB 5009.93-2017 National Food Safety Standards: Determination of Selenium in Foods GB/T 5009.123-2003 Determination of chromium in foods GB 5009.123-2014 National Standards for Food Safety: Determination of Chromium in Foods GB 5009.123-2023 National Standards for Food Safety: Determination of Chromium in Foods GB/T 5009.138-2003 Determination of nickel in foods GB 5009.138-2017 The National Standard for Food Safety: Determination of Nickel in Foods GB 5009.138-2024 The National Standards for Food Safety: Determination of Nickel in Foods GB 5009.268-2016 National Standards for Food Safety: Determination of Multiple Elements in Foods GB 5009.268-2025 GB/T 14506.13-1993 Silicate rocks—Determination of sulfur content—Combustion iodometric method GB/T 14506.13-2010 Methods for chemical analysis of silicate rocks—Part 13:Determination of sulfur content GB/T 14506.19-1993 Silicate rocks—Determination of lead GB/T 14506.19-2010 Methods for chemical analysis of silicate rocks—Part 19:Determination of lead content GB/T 14506.28-1993 Silicate rocks—Determination of contents of major and minor elements—X-ray fluorescence spectrometric method GB/T 14506.28-2010 Methods for chemical analysis of silicate rocks—Part 28:Determination of 16 major and minor elements content GB/T 14506.30-2010 Methods for chemical analysis of silicate rocks—Part 30:Determination of 44 elements GB/T 14506.32-2019 Methods for chemical analysis of silicate rocks—Part 32:Determination of 20 components including aluminium oxide etc.—Mixed acid digestion-inductively coupled plasma atomic emission spectrometry GB/T 14506.33-2019 Methods for chemical analysis of silicate rocks—Part 33:Determination of arsenic,stibium,bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry GB/T 14550-2003 Method of gas chromatographic for determination of BHC and DDT in soil GB 15618-1995 Environmental quality standard for soils GB 15618-2018 Soil environment quality risk control standard for soilcontamination of agriculture land GB/T 17141 GB/T 22105.1-2008 Soil quality—Analysis of total mercury,arsenic and lead contents—Atomic fluorescence spectrometry—Part 1:Analysis of total mercury contents in soils GB/T 22105.2-2008 Soil quality—Analysis of total mercury,arsenic and lead contents—Atomic fluorescence spectrometry—Part 2:Analysis of total arsenic contents in soils GB/T 22105.3-2008 Soil quality—Analysis of total mercury,arsenic and lead contents—Atomic fluorescence spectrometry—Part 3:Analysis of total lead contents in soils GB/T 22499-2008 Rich selenium paddy GB/T 22499-2025 Selenium-rich paddy DZ/T 0253.1-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 1:Determination of the content of 19 elements including lithium,boron,vanadium,etc.—Inductively coupled plasma mass spectrometry DZ/T 0253.2-2014 Analytic methods for biologic samples in eco-geochemistry assessment—Part 2:Determination of selenium content—Fluorescent spectrophotometry DZ/T 0279.1-2016 Regional geochemical sample analysis method - Part 1: Determination of 24 components including Al2O3, powder pressing - X-ray fluorescence spectroscopy method DZ/T 0279.2-2016 Analytical methods for regional geochemical samples - Part 2: Determination of 27 components including calcium oxide using inductively coupled plasma atomic emission spectroscopy DZ/T 0279.3-2016 Method for Analysis of Regional Geochemical Samples Part 3: Determination of Barium, Berkelium, Bismuth and 13 Other Elements by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) DZ/T 0279.5-2016 Regionally geochemical sample analysis method Part 5: Determination of cadmium content - Inductively coupled plasma mass spectrometry (ICP-MS) method DZ/T 0279.13-2016 Regional geochemical sample analysis method Part 13: Determination of arsenic, antimony and bismuth using hydride generation-atomic fluorescence spectrometry DZ/T 0279.14-2016 Region geochemical sample analysis method Part 14: Determination of selenium content - Hydride generation - Atomic fluorescence spectrometry DZ/T 0279.17-2016 DZ/T 0279.17-2016 Analytical methods for regional geochemical samples - Part 17: Determination of mercury content - Vapor generation - Cold-atom fluorescence spectroscopy method DZ/T 0279.18-2016 DZ/T 0279.18-2016 Analytical methods for regional geochemical samples - Part 18: Determination of cadmium - Graphite furnace atomic absorption spectrometry DZ/T 0279.27-2016 Regional geochemical sample analysis method Part 27: Determination of organic carbon content by potassium dichromate capacity method DZ/T 0279.34-2016 Regionally Geochemical Sample Analysis Method Part 34: Determination of pH using Ionic Selective Electrode Method DZ/T 0295-2016 Ecological geochemical evaluation specifications for land quality DZ/T 0380 HJ 680-2013 Soil and sediment determination of mercury, arsenic, selenium, bismuth, and antimony: microwave-assisted/atomic fluorescence method HJ 695-2014 Determination of Soil Organic Carbon by Oxidation-Nondestructive Infrared Method HJ780-2015 Soil and sediment determination of inorganic elements using wavelength-dispersive X-ray fluorescence spectroscopy HJ 784-2016 Determination of polycyclic aromatic hydrocarbons in soils and sediments by high performance liquid chromatography (HPLC) method HJ 803-2016 Soil and sediment determination of 12 metal elements by using aqua regia extraction and inductively coupled plasma mass spectrometry HJ 805-2016 Soil and sediment determination of polycyclic aromatic hydrocarbons using gas chromatography-mass spectrometry HJ 835-2017 Soil and sediment determination of organochlorine pesticides using gas chromatography-mass spectrometry HJ 921-2017 Soil and sediment determination of organochlorine pesticides by gas chromatography LY/T 1239-1999 Determination of pH value in forest soil LY/T 1243-1999 Determination of cation exchange capacity in forest soil NY/T 295-1995 The determination of cation exchange capacity and exchangeable bases in neutral soil NY/T 600-2002 Rich-selenium tea NY/T 1121.2-2006 Soil testing Part 2: Determination of soil pH NY/T 1121.5-2006 Soil testing Part 5: Determination of cation exchange capacity for lime-soils NY/T 1377-2007 The determination of pH in soil NY/T 3115-2017 Selenium-enriched garlic NY/T 3116 NY/T 3420-2019 Determination of Available Selenium in Soil by Inductively Coupled Plasma Atomic Fluorescence Spectrometry (ICP-AFS) TD/T 1055 DB/T 13-2021 Interface and control of ground motion observation instruments DB36/T 566 DB50/T 705 DB/T 64-2016 Seismic observation technology guidelines