DB32/T 4313-2022 Ecological improvement technical specification for coastal saline soil land

DZ/T 0064.43-1993 The method for testing groundwater quality using titration to determine acidity DZ/T 0064.44-1993 Groundwater quality testing method H: Acid-methyliodide spectrophotometry for determining boron DZ/T 0064.45-1993 The method for testing groundwater quality using mannitol-base titration to determine boron DZ/T 0064.46-1993 Underground water quality testing method: Bromophenol red colorimetry for determination of bromide DZ/T 0064.47-1993 The method of testing groundwater quality using titration to determine free carbon dioxide DZ/T 0064.48-1993 Testing method for groundwater quality: titration method for determining erosive carbon dioxide DZ/T 0064.49-1993 Groundwater quality testing method: titration method for determining carbonate, bicarbonate, and hydroxide DZ/T 0064.50-1993 Methods for Groundwater Quality Testing - Silver Determination by Titration - Determination of Chloride Content DZ/T 0064.51-1993 Groundwater quality testing method: Ion chromatography to determine chloride, fluoride, bromide, nitrate, and sulfate DZ/T 0064.52-1993 Groundwater quality testing method: Aryldiazaindole colorimetric method for determination of cyanide DZ/T 0064.53-1993 Underground water quality testing method: Alizarin complexone colorimetric method for determining fluoride. (English translation only) DZ/T 0064.54-1993 Underground water quality testing method: Ion selective electrode method for determining fluoride. (The result will be English translation only.) DZ/T 0064.55-1993 Groundwater quality testing method: Catalytic reduction method for determining iodide DZ/T 0064.56-1993 Groundwater quality testing method: Starch colorimetric method for determining iodide DZ/T 0064.57-1993 The method for testing groundwater quality using Nessler's reagent colorimetric method to determine ammonium DZ/T 0064.58-1993 The method of testing groundwater quality using the dihydroxybenzene-sulfonic acid spectrophotometry to determine nitrate is: "Nitrate determination using dihydroxybenzene-sulfonic acid spectrophotometry in groundwater quality testing" DZ/T 0064.59-1993 Groundwater quality testing method: UV spectrophotometry for determination of nitrate DZ/T 0064.60-1993 Testing methods for groundwater quality: Spectrophotometry for determination of nitrite ion. Note: This is the English translation only DZ/T 0064.61-1993 The method for testing groundwater quality using the phosphorus-biuret method for determining phosphate DZ/T 0064.62-1993 Testing method for groundwater quality: Determination of silicon oxide using molybdenum yellow colorimetry DZ/T 0064.63-1993 Testing methods for groundwater quality - Determination of silicate using the molybdenum blue colorimetric method DZ/T 0064.64-1993 Methods for Groundwater Quality Testing—Barium Titration with Disodium EDTA for Determining Sulfate Ions DZ/T 0064.65-1993 Groundwater quality testing method: Turbidity method for determining sulfate DZ/T 0064.66-1993 The method of testing groundwater quality using iodometric method to determine sulfide DZ/T 0064.67-1993 Groundwater quality testing method: Diaminodiphenylamine colorimetric method for determining sulfide DZ/T 0064.68-1993 Groundwater quality testing method: Acidic permanganate oxidation method for determining chemical oxygen demand DZ/T 0064.69-1993 Groundwater quality testing method: Alkaline permanganate oxidation method for determining chemical oxygen demand DZ/T 0064.70-2021 Groundwater Quality Analysis Method Part 70: Determination of Oxygen Demand by Potassium Dichromate Titration Method DZ/T 0064.70-1993 Testing method for groundwater quality: determination of chemical oxygen demand using the re-doxydative method DZ/T 0064.71-1993 Groundwater quality testing method: Gas chromatography to determine organic chlorine residue DZ/T 0064.72-1993 The method for testing groundwater quality using gas chromatography to determine the amount of organic phosphorus residue DZ/T 0064.73-1993 Testing method for groundwater quality - 4-aminoantipyrine spectrophotometric determination of phenol DZ/T 0064.74-1993 Groundwater quality testing method: Gas chromatography method for determining gases DZ/T 0064.75-1993 Groundwater quality testing method: Radon and radon measurement using gas emanation method DZ/T 0064.76-1993 The method for testing groundwater quality using radiochemical analysis to determine total alpha and total beta DZ/T 0064.77-1993 Groundwater quality testing method CO2-H2O (carbon dioxide-water) equilibrium method for determining oxygen isotopes (Note: 2 represents the lowercase o and h) DZ/T 0064.78-1993 Groundwater quality testing method: Metal zinc reduction method for determination of deuterium DZ/T 0064.79-1993 The method for testing groundwater quality using radiochemical methods to determine deuterium DZ/T 0064.80-1993 Groundwater quality testing method - determination of 39 elements including lithium using plasma mass spectrometry HJ/T 91-2002 Surface Water and Wastewater Monitoring Technical Specification HJ/T 166-2004 Soil environmental monitoring technical specifications HJ704-2014 Soil Available Phosphorus Determination: Sodium Bicarbonate Extraction-Molybdenum Antimony Antifreeze Spectrophotometry HJ 704-2014 Soil effective phosphorus determination: Sodium bicarbonate extraction-molybdenum antimony colorimetric method HJ717-2014 Soil quality determination of total nitrogen - Kjeldahl method HJ 717-2014 Soil quality determination of total nitrogen - Kjeldahl method HY/T 0320-2021 Code of practice for coastal soil salinization monitoring and evaluation LY/T 1249-1999 Calculation of soil alkalinity NY 525-2002 Organic fertilizer NY/T 525-2021 NY/T 525-2021 Organic fertilizer NY 525-2011 NY 525-2011 Organic fertilizer NY 525-2012 NY 525-2012 Organic fertilizer NY/T 889-2004 Determination of Available Potassium and Slow-acting Potassium Content in Soil NY/T 1004-2006 Grass straw return machine quality evaluation technical specifications NY/T 1004-2020 Grass Straw Milling and Returning Machine Quality Evaluation Technical Specification NY/T 1121.1-2006 Soil testing Part 1: Collection, handling, and storage of soil samples NY/T 1121.2-2006 Soil testing Part 2: Determination of soil pH NY/T 1121.3-2006 Soil testing Part 3: Determination of soil mechanical composition NY/T 1121.4-2006 Soil testing Part 4: Determination of soil bulk density NY/T 1121.5-2006 Soil testing Part 5: Determination of cation exchange capacity for lime-soils NY/T 1121.6-2006 Soil testing Part 6: Determination of soil organic matter NY/T 1121.7-2006 Soil testing Part 7: Determination of available phosphorus in acidic soils NY/T 1121.7-2014 Soil testing Part 7: Determination of available phosphorus in soil NY/T 1121.8-2006 Soil testing Part 8: Determination of available boron in soil NY/T 1121.9-2023 Soil testing Part 9: Determination of available molybdenum in soil NY/T 1121.9-2006 Soil testing Part 9: Determination of available molybdenum in soil NY/T 1121.9-2012 Soil testing Part 9: Determination of available molybdenum in soil NY/T 1121.10-2006 Soil testing - Part 10: Determination of total mercury in soils NY/T 1121.11-2006 Soil testing Part 11: Determination of total arsenic in soil NY/T 1121.12-2006 Soil testing Part 12: Determination of Total Chromium in Soil NY/T 1121.13-2006 Soil testing Part 13: Determination of exchangeable calcium and magnesium in soil NY/T 1121.14-2023 Soil testing Part 14: Determination of available sulfur in soil NY/T 1121.14-2006 Soil testing Part 14: Determination of available sulfur in soil NY/T 1121.15-2006 Soil testing Part 15: Determination of available silicon in soil NY/T 1121.16-2006 Soil testing Part 16: Determination of Total Available Water Soluble Salts in Soil NY/T 1121.17-2006 Soil testing Part 17: Determination of chloride ion content in soil NY/T 1121.18-2006 Soil testing Part 18: Determination of sulfate ion content in soil NY/T 1121.19-2008 Soil testing Part 19: Determination of the water-stable macroporosity of soil aggregates NY/T 1121.20-2008 Soil testing Part 20: Determination of the microaggregate composition of soils NY/T 1121.21-2008 Soil testing Part 21: Determination of maximum moisture absorption capacity of soil NY/T 1121.22-2010 Soil testing Part 22: Determination of soil field capacity by ring-tuber method NY/T 1121.23-2010 Soil testing Part 23: Determination of soil particle density NY/T 1121.24-2012 Soil testing Part 24: Determination of Total Nitrogen in Soil using Automatic Nitrogen Analyzer NY/T 1121.25-2012 Soil testing Part 25: Determination of available phosphorus in soil using continuous flow analyzer NY/T 1377-2007 The determination of pH in soil NY/T 2722-2015 Grass Straw Decay Fungus Agent Decomposition Evaluation Technique Specification TD/T 1043.1-2013 Technical regulation on subsurface drainage and desalination soil—Part 1:Soil survey TD/T 1043.2-2013 Technical regulation on subsurface drainage and desalination soil—Part 2:Planning design and construction DB/T 32.1-2020 Technical requirements of instruments in network for earthquake monitoring—Underground fluid observation instruments—Part 1:Pressure instrument for water level DB/T 32.1-2020 Technical requirements of instruments in network for earthquake monitoring—Underground fluid observation instruments—Part 1:Pressure instrument for water level