标准编号：ISO 16720:2005
中文名称：土壤质量 后续分析用冷冻-干燥法取样的预处理
英文名称：Soil quality — Pretreatment of samples by freeze-drying for subsequent analysis
发布日期：2005-03
标准范围
This International Standard specifies a method for pretreatment of soil samples by freeze-drying for subsequent analysis.This International Standard is applicable to soil samples for subsequent determination of elements or organic compounds recognized as non-volatile under freeze-drying conditions. Generally, this International Standard can also be applied to samples from sludges and sediments.This method is also applicable as a first step for the determination of dry matter (or water) content, for instance in the case of samples with high water content.
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