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GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry 土壤质量 土壤与生物样品中有机碳含量与碳同位素比值、全氮含量与氮同位素比值的测定 稳定同位素比值质谱法 - 中英文版 |
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GB/T 42488-2023 Soil quality - Determination of 15N abundance of inorganic nitrogen in soil - Stable isotope ratio mass spectrometry 土壤质量 土壤中无机态氮15N丰度的测定 稳定同位素比值质谱法 - 中英文版 |
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GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen KCl solution leaching manual analysis method 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提手工分析法 - 中英文版 |
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GB/T 42487-2023 Soil quality - Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen - potassium chloride solution leaching flow analysis method 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提流动分析法 - 中英文版 |
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GB/T 41223-2021 Soil quality—Determination of potential nitrification and inhibition of nitrification—Rapid test by ammonium oxidation 土壤质量 硝化潜势和硝化抑制作用的测定 氨氧化快速检测法 - 中英文版 |
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GB/T 17141-1997 Soil quality--Determination of lead，cadmium--Graphite furnace atomic absorption spectrophoto-metry 土壤质量 铅、镉的测定 石墨炉原子吸收分光光度法 - 中英文版 |
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GB/T 17140-1997 Soil quality--Determination of lead，cadmium--KI-MIBK extraction flame atomic absorption spectrophotometry 土壤质量 铅、镉的测定 KI-MIBK萃取火焰原子吸收分光光度法 - 中英文版 |
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GB/T 17139-1997 Soil quality--Determinationof nickel--Flame atomic absorption spectrophotometry 土壤质量 镍的测定 火焰原子吸收分光光度法 - 中英文版 |
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GB/T 17138-1997 Soil quality--Determination of copper，zinc--Flame atomic absorption spectrophotometry 土壤质量 铜、锌的测定 火焰原子吸收分光光度法 - 中英文版 |
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GB/T 17137-1997 Soil quality--Determination of total chromium--Flame atomic absorption spectrophotometry 土壤质量 总铬的测定 火焰原子吸收分光光度法 - 中英文版 |
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GB/T 17136-1997 Soil quality--Determinationof total mercury--Cold atomic absorption spectrophotometry 土壤质量 总汞的测定 冷原子吸收分光光度法 - 中英文版 |
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GB/T 17135-1997 Soil quality--Determination of total arsenic--Spectrophotometric method with potassium borohyride andsilver nitrate 土壤质量 总砷的测定 硼氢化钾-硝酸银分光光度法 - 中英文版 |
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GB/T 17134-1997 Soil quality--Determination of total arsenic--Silver diethyldithiocarbamate spectrophotometry 土壤质量 总砷的测定 二乙基二硫代氨基甲酸银分光光度法 - 中英文版 |
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