DIN ISO 16720:2005
土质.连续分析用试样的冻干法预处理

Soil quality - Pretreatment of samples by freeze-drying for subsequent analysis (ISO 16720:2005)

2007-06

标准号
DIN ISO 16720:2005
发布
2005年
发布单位
德国标准化学会
替代标准
DIN EN ISO 16720:2007
当前最新
DIN EN ISO 16720:2007
 
 
适用范围
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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